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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2015	Nov. 02, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Trading Symbol	IBP
Entity Registrant Name	INSTALLED BUILDING PRODUCTS, INC.
Entity Central Index Key	0001580905
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		31,366,328

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets
Cash	$ 5,265	$ 10,761
Accounts receivable (less allowance for doubtful accounts of $3,609 and $2,661 at September 30, 2015 and December 31, 2014, respectively)	98,406	72,280
Inventories	28,850	23,971
Other current assets	6,471	12,276
Total current assets	138,992	119,288
Property and equipment, net	53,628	39,370
Non-current assets
Goodwill	85,854	53,393
Intangibles, net	60,668	17,718
Other non-current assets	8,063	4,393
Total non-current assets	154,585	75,504
Total assets	347,205	234,162
Current liabilities
Current maturities of long-term debt	6,358	1,786
Current maturities of capital lease obligations	8,824	9,374
Accounts payable	57,996	46,584
Accrued compensation	16,484	11,311
Other current liabilities	11,016	7,501
Total current liabilities	100,678	76,556
Long-term debt	95,455	25,070
Capital lease obligations, less current maturities	13,451	17,508
Deferred income taxes	14,532	9,746
Other long-term liabilities	18,477	13,408
Total liabilities	242,593	142,288
Commitments and contingencies (Note 10)
Stockholders' equity
Preferred stock value
Common stock value	320	319
Additional paid in capital	156,104	154,497
Accumulated deficit	(40,429)	(57,659)
Treasury Stock; at cost: 616,560 and 300,000 shares, respectively	(11,383)	(5,283)
Total stockholders' equity	104,612	91,874
Total liabilities and stockholders' equity	$ 347,205	$ 234,162

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 3,609	$ 2,661
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	31,982,888	31,839,087
Common stock, shares outstanding	31,366,328	31,539,087
Treasury stock, shares	616,560	300,000

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net revenue	$ 181,579	$ 140,456	$ 471,220	$ 372,750
Cost of sales	128,162	100,828	337,395	271,908
Gross profit	53,417	39,628	133,825	100,842
Operating expenses
Selling	10,282	8,041	27,275	22,067
Administrative	25,841	20,084	72,606	60,402
Amortization	1,817	693	4,091	2,104
Operating income	15,477	10,810	29,853	16,269
Other expense (income)
Interest expense	989	934	2,654	2,196
Other	138	51	357	(313)
Non-operating (income) expense	1,127	985	3,011	1,883
Income before income taxes	14,350	9,825	26,842	14,386
Income tax provision	4,869	3,629	9,612	5,462
Net income from continuing operations	9,481	6,196	17,230	8,924
Discontinued operations
Loss from discontinued operations				78
Income tax benefit			0	(30)
Loss from discontinued operations, net of income taxes				48
Net income	9,481	6,196	17,230	8,876
Net income (loss) attributable to common stockholders	$ 9,481	$ 6,196	$ 17,230	$ (11,021)
Basic net income (loss) per share attributable to common stockholders:
Income (loss) from continuing operations	$ 0.30	$ 0.19	$ 0.55	$ (0.37)
Loss from discontinued operations	0	0	0	0
Net income (loss) per share	0.30	0.19	0.55	(0.37)
Diluted net income (loss) per share attributable to common stockholders:
Income (loss) from continuing operations	0.30	0.19	0.55	(0.37)
Loss from discontinued operations	0	0	0	0
Net income (loss) per share	$ 0.30	$ 0.19	$ 0.55	$ (0.37)
Weighted average shares outstanding:
Basic	31,237,275	31,839,087	31,318,682	29,539,592
Diluted	31,288,609	31,839,087	31,343,230	29,539,592
Redeemable Preferred Stock [Member]
Discontinued operations
Accretion charges on Redeemable Preferred Stock				$ (19,897)

Condensed Consolidated Statements of Stockholders' Equity (Deficit) and Redeemable Instruments (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Redeemable Preferred Stock [Member]	Redeemable Common Stock [Member]
BALANCE at Dec. 31, 2013	$ (71,429)	$ 162		$ (71,591)		$ 55,838	$ 81,010
BALANCE, Shares at Dec. 31, 2013		16,183,901					5,850,000
BALANCE, Preferred stock at Dec. 31, 2013						1,000
Net income	8,876			8,876
Initial Public Offering (IPO), Value	78,949	$ 86	$ 78,863
Initial Public Offering (IPO), Shares		8,567,500
Secondary Public Offering,Value	14,292	$ 12	14,280
Secondary Public Offering, Shares		1,214,196
Redemption of Redeemable Preferred Stock, Shares						(1,000)
Termination of Redemption Feature upon IPO, Value	89,367	$ 58	89,309				$ (89,367)
Termination of Redemption Feature upon IPO, Shares		5,850,000					(5,850,000)
Accretion of Redeemable Preferred Stock to Redemption Value	(19,897)		(19,897)			$ 19,897
Adjustments to Redeemable Common Stock fair value measurement	(8,357)		(8,357)				$ 8,357
Share-Based Compensation issued to Directors,Value	300	$ 1	299
Share-Based Compensation issued to Directors,Shares		23,490
BALANCE at Sep. 30, 2014	92,101	$ 319	154,497	(62,715)
BALANCE, Shares at Sep. 30, 2014		31,839,087
Redemption of Redeemable Preferred Stock, Value						$ (75,735)
BALANCE at Dec. 31, 2014	$ 91,874	$ 319	154,497	(57,659)	$ (5,283)
BALANCE, Shares at Dec. 31, 2014	31,539,087	31,839,087			(300,000)
BALANCE, Preferred stock at Dec. 31, 2014	0
Net income	$ 17,230			17,230
Issuance of Restricted Stock Awards to Employees		$ 1	(1)
Issuance of Restricted Stock Awards to Employees, Shares		130,613
Surrender of Restricted Stock Awards by Employees					(1,560)
Share-Based Compensation Expense	1,232		1,232
Share-Based Compensation issued to Directors,Value	300		300
Share-Based Compensation issued to Directors,Shares		13,188
Tax Benefit from Stock Plan	76		76
Common Stock Repurchase, Value	(6,100)				$ (6,100)
Common Stock Repurchase, Shares					(315,000)
BALANCE at Sep. 30, 2015	$ 104,612	$ 320	$ 156,104	$ (40,429)	$ (11,383)
BALANCE, Shares at Sep. 30, 2015	31,366,328	31,982,888			(616,560)
BALANCE, Preferred stock at Sep. 30, 2015	0

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities
Net income	$ 17,230	$ 8,876
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization of property and equipment	11,872	8,731
Amortization of intangibles	4,091	2,104
Amortization of deferred financing costs	199	123
Provision for doubtful accounts	1,551	1,343
Write-off of debt issuance costs		233
Gain on sale of property and equipment	(247)	(316)
Noncash stock compensation	1,532	300
Deferred income taxes	107	(56)
Other		(490)
Changes in assets and liabilities, excluding effects of acquisitions
Accounts receivable	(16,405)	(14,241)
Inventories	(2,960)	(3,346)
Other assets	5,265	455
Accounts payable	5,777	6,553
Income taxes payable	1,918	(300)
Other liabilities	(819)	4,724
Net cash provided by operating activities	29,111	14,693
Cash flows from investing activities
Restricted cash		70
Purchases of property and equipment	(19,959)	(2,626)
Acquisitions of businesses, net of cash acquired of $924 and $53, respectively	(71,040)	(3,313)
Proceeds from sale of property and equipment	448	518
Other	(420)
Net cash used in investing activities	(90,971)	(5,351)
Cash flows from financing activities
Proceeds from initial public offering of common stock, net of costs		87,645
Proceeds from secondary public offering of common stock, net of costs		14,418
Redemption of Redeemable Preferred Stock		(75,735)
Net payments on previous revolving line of credit		(27,269)
Proceeds from revolving line of credit	130,800
Payments on revolving line of credit	(130,800)
Proceeds from previous term loan		25,000
Proceeds from new term loan	50,000
Payments on previous term loan	(24,688)
Proceeds from delayed draw term loan	35,000
Proceeds from vehicle and equipment notes payable	12,817
Debt issuance costs	(758)	(714)
Principal payments on long term debt	(2,631)	(719)
Principal payments on capital lease obligations	(7,276)	(6,921)
Payments for deferred initial public offering costs		(4,254)
Payments for deferred secondary public offering costs		(126)
Repurchase of common stock	(6,100)
Net cash provided by financing activities	56,364	11,325
Net change in cash	(5,496)	20,667
Cash at beginning of period	10,761	4,065
Cash at end of period	5,265	24,732
Supplemental disclosures of cash flow information Net cash paid during the period for:
Interest	2,171	1,883
Income taxes, net of refunds	8,327	4,726
Supplemental disclosure of noncash investing and financing activities
Vehicles capitalized under capital leases and related lease obligations	2,750	13,581
Seller obligations in connection with acquisition of businesses	$ 12,364	$ 454

Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Statement of Cash Flows [Abstract]
Cash acquired, Net	$ 924	$ 53

Organization

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

NOTE 1 – ORGANIZATION

Installed Building Products, Inc. (“IBP”), a Delaware corporation formed on October 28, 2011, and its subsidiaries (collectively referred to as the “Company” and “we”, “us” and “our”), primarily install insulation, garage doors, rain gutters, shower doors, closet shelving and mirrors, and other products for residential and commercial builders located in the continental United States. IBP operates in over 100 locations within the continental United States and its corporate office is located in Columbus, Ohio.

We have one operating segment and a single reportable segment. Substantially all of our sales come from service-based installation of various products in the residential new construction, repair and remodel and commercial construction end markets. Each of our branches has the capacity to serve all of our end markets. The following table sets forth the percentage of our net revenue by end market:


	Three and nine months ended
	September 30, 2015			September 30, 2014
Residential new construction and repair and remodel		89	%		89	%
Commercial construction		11			11

		100	%		100	%

2014 Initial Public Offering (“IPO”)

On February 10, 2014, in anticipation of our IPO, we executed a 19.5-for-one stock split of our common stock, which consisted of 1,129,944 issued and outstanding shares immediately prior to the stock split. The effect of the stock split on outstanding shares and earnings per share has been retroactively applied to all periods presented. Following the split we had 22,033,901 stock-split adjusted shares of common stock issued and outstanding.

On February 19, 2014, we completed an IPO of our common stock, which resulted in the sale of 8,567,500 shares. We received total proceeds from the IPO of $87,645, after deducting underwriter discounts and commissions of $6,597, based on a public offering price of $11.00 per share. We used $75,735 of the proceeds from our IPO to redeem our Redeemable Preferred Stock and $11,910 to pay down our revolving credit facility. Our common stock is listed on The New York Stock Exchange under the symbol “IBP.” See Note 6, Stockholders’ Equity, for further information.

2014 Secondary Public Offering

On June 17, 2014, we completed a secondary offering of 9,314,196 shares of our common stock at a public offering price of $12.50 per share. The total offering size reflects 8,100,000 shares of common stock offered on behalf of certain selling stockholders (the “Selling Stockholders”) and 1,214,196 shares that were offered and sold by us pursuant to the exercise of the underwriters’ option to purchase additional shares. We did not receive any proceeds from the sale of shares by the Selling Stockholders. However, we received $14,418, after deducting underwriting discounts but before estimated offering expenses, from the exercise of the underwriters’ option to purchase additional shares. A registration statement relating to these securities was declared effective by the U.S. Securities and Exchange Commission (the “SEC”) on June 11, 2014.

Significant Accounting Policies	9 Months Ended
Significant Accounting Policies	Sep. 30, 2015
Accounting Policies [Abstract]
Significant Accounting Policies	NOTE 2 – SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Principles of Consolidation The accompanying condensed consolidated financial statements include all of our wholly owned subsidiaries and majority owned subsidiaries. The non-controlling interest relating to majority owned subsidiaries is not significant for presentation. All intercompany accounts and transactions have been eliminated. The information furnished in the condensed consolidated financial statements includes normal recurring adjustments and reflects all adjustments which are, in the opinion of management, necessary for a fair presentation of the results of operations and statements of financial position for the interim periods presented. Certain information and footnote disclosures normally included in the consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) and the rules and regulations of the SEC have been condensed or omitted pursuant to such rules and regulations. We believe that the disclosures are adequate to prevent the information presented from being misleading when read in conjunction with our fiscal 2014 consolidated financial statements and the notes thereto included in Part II, Item 8. Financial Statements and Supplementary Data, of our Annual Report on Form 10-K as filed with the SEC on March 13, 2015. The December 31, 2014 condensed consolidated balance sheet data was derived from the audited financial statements but does not include all disclosures required by U.S. GAAP. Unless otherwise indicated, all amounts are in thousands except share and per share amounts. Our interim operating results for the three and nine months ended September 30, 2015 are not necessarily indicative of the results to be expected in future operating quarters. See Item 1A. Risk Factors, in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, for additional information regarding risk factors that may impact our results. Note 2 to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014 describes the significant accounting policies and estimates used in preparation of the consolidated financial statements. There have been no changes to our significant accounting policies or estimates during the three or nine months ended September 30, 2015, other than implementing our share-based compensation policy during the nine months ended September 30, 2015. Use of Estimates Preparation of the condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates include the allowance for doubtful accounts, valuation allowance on deferred tax assets, intangible assets and other long-lived assets, share-based compensation, reserves for general liability, workers’ compensation, and medical insurance. Management believes the accounting estimates are appropriate and reasonably determined; however, due to the inherent uncertainties in making these estimates, actual amounts could differ from such estimates. Share-Based Compensation Our share-based compensation program is designed to attract and retain employees while also aligning employees’ interests with the interests of our stockholders. Restricted stock awards are periodically granted to certain employees, officers, and non-employee members of our Board of Directors under the stockholder-approved 2014 Omnibus Incentive Plan. The awards are deemed to be equity-based with a service condition and do not contain a market condition. Fair value of the awards to employees and officers is measured at the grant date and amortized to expense over the vesting period of the awards using the straight-line attribution method for all service-based awards with a graded vesting feature. This fair value is reduced by assumed forfeitures and adjusted for actual forfeitures until vesting. Employees and officers are subject to tax at the vesting date based on the market price of the shares on that date, or on the grant date if an election is made. The future income tax benefit associated with these awards is recorded over the vesting period. In the event dividends are ultimately declared and paid, a forfeiture rate for the unvested restricted shares would be applied. Recently Issued Accounting Pronouncements Not Yet Adopted In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU 2014-09 sets forth a new revenue recognition model that requires identifying the contract(s) with a customer, identifying the performance obligations in the contract, determining the transaction price, allocating the transaction price to the performance obligations and recognizing the revenue upon satisfaction of performance obligations. In July 2015, the FASB voted to defer the application of the provisions of this standard for public companies until annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In April 2015, the FASB issued ASU 2015-03, “Interest – Imputation of Interest.” The amendments in this update require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. For public business entities, the amendments in this update are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In August 2015, the FASB issued ASU 2015-15, “Imputation of Interest (Subtopic 835-30).” This ASU amends ASU 2015-03 regarding the presentation and subsequent measurement of debt issuance costs related to line-of-credit arrangements. Specifically, it provides guidance for deferring and presenting debt issuance costs as an asset and subsequently amortizing the deferred debt issuance costs ratably over the term of the line-of-credit arrangement, regardless of whether there are any outstanding borrowings on the line-of-credit arrangement. For public business entities, the amendments in this update are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In July 2015, the FASB issued ASU 2015-11, “Inventory (Topic 330).” The amendments in this update require an entity to measure inventory within the scope of this update at the lower of cost and net realizable value. For public business entities, the amendments in this update are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In September 2015, the FASB issued ASU 2015-16, “Business Combinations (Topic 805).” This ASU requires that an acquirer retrospectively adjust provisional amounts recognized in a business combination during the measurement period. To simplify the accounting for adjustments made to provisional amounts, the amendments in this update require that the acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amount is determined. The acquirer is required to also record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date. In addition, an entity is required to present separately on the face of the income statement or disclose in the notes to the financial statements the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. For public business entities, the amendments in this update are effective for fiscal years beginning after December 15, 2015, including interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements.

Goodwill and Intangibles

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangibles

NOTE 3 – GOODWILL AND INTANGIBLES

Goodwill

The change in carrying amount of goodwill was as follows:


	Goodwill (Gross)		Accumulated Impairment Losses			Goodwill (Net)

January 1, 2014	$	119,332	$	(70,004	)	$	49,328
Additions		1,958		—			1,958

September 30, 2014	$	121,290	$	(70,004	)	$	51,286


January 1, 2015	$	123,397	$	(70,004	)	$	53,393
Additions		32,461		—			32,461

September 30, 2015	$	155,858	$	(70,004	)	$	85,854

During the nine months ended September 30, 2015 and 2014, goodwill increased $32,461 and $1,958, respectively, primarily as a result of our business combinations. See Note 11, Business Combinations, for more information.

We test goodwill for impairment annually during the fourth quarter of our fiscal year or earlier if there is an impairment indicator. No impairment was recognized during either of the nine month periods ended September 30, 2015 and 2014.

Intangibles, net

The following table provides the gross carrying amount and accumulated amortization for each major class of intangibles:


	September 30, 2015						December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Amortized intangibles:
Customer relationships	$	56,227	$	18,796	$	37,431	$	26,119	$	16,151	$	9,968
Covenants not-to-compete		4,862		585		4,277		883		202		681
Trademarks and tradenames		26,635		7,675		18,960		13,681		6,612		7,069

	$	87,724	$	27,056	$	60,668	$	40,683	$	22,965	$	17,718

The gross carrying amount of intangibles increased $47,041 during the nine months ended September 30, 2015 primarily as a result of our business combinations. See Note 11, Business Combinations, for more information. Remaining estimated aggregate annual amortization expense is as follows (amounts are for the fiscal year ended):


Remainder of 2015	$	2,107
2016		8,175
2017		7,529
2018		7,300
2019		7,005
Thereafter		28,552

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Long-Term Debt

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Long-Term Debt

NOTE 4 – LONG-TERM DEBT

Debt consists of the following:


	September 30, 2015			December 31, 2014
Term Loan	$	48,750		$	24,688
Delayed Draw Term Loan		35,000			—
Vehicle and equipment notes		13,334			1,346
Various notes payable, maturing through March 2025; payable in various monthly installments, including interest rates ranging from 0.0% to 10.0%		4,729			822

		101,813			26,856
Less: current maturities		(6,358	)		(1,786	)

Long-term debt, less current maturities	$	95,455		$	25,070

Our Credit and Security Agreement, as amended (the “Amended Credit Agreement”), provides for an aggregate commitment of $200,000 consisting of a Revolving Line of Credit (the “LOC”) with a maximum limit of $100,000, a term loan (the “Term Loan”) in the amount of $50,000, a delayed draw term loan (the “DDTL”) in the amount of $50,000 and an uncommitted accordion feature in the amount of $25,000, which may be drawn as a revolving balance or a term loan, if drawn. The Amended Credit Agreement has a maturity date of April 30, 2020 (the “Maturity Date”) and is secured by all of our assets except those subject to capital leases and master equipment and vehicle arrangements. There was no outstanding balance on our LOC at either December 31, 2014 or September 30, 2015. Our subsidiaries, other than Suburban Insulation, Inc., guarantee this debt.

The LOC, Term Loan and DDTL bear interest at either 1) the Eurodollar rate (“LIBOR”) or 2) the Base Rate (which approximates the Prime Rate), plus a margin based on the type of rate applied and the value (represented as a ratio) of our total debt to earnings. In addition, a commitment fee on the unused portion of these instruments is due quarterly. The fee ranges from 20.0 to 30.0 basis points for the entire term of the Amended Credit Agreement and the rate is determined based on our leverage ratio. The Term Loan requires quarterly principal payments of $625 increasing to $938 from June 30, 2017 through March 31, 2019, and further increasing to $1,250 from June 30, 2019 through March 31, 2020. The DDTL also requires principal payments beginning in the third quarter of 2016. The payments are determined as a percentage of the balance drawn on April 27, 2016 and continue until the Maturity Date. Any outstanding principal balances on the Term Loan and DDTL are due on the Maturity Date.

The Amended Credit Agreement contains financial covenants requiring us to maintain 1) a leverage ratio of debt to earnings, as adjusted for certain items and as defined by the agreement, of no greater than 3.50 to 1.00 and 2) a fixed charge coverage ratio, as adjusted for certain items, of no less than 1.10 to 1.00. The Amended Credit Agreement also contains various restrictive non-financial covenants and a provision that, upon an event of default (as defined by the agreement), amounts outstanding under the LOC, Term Loan, and any outstanding DDTL would bear interest at the rate as determined above plus 2%.

Vehicle and Equipment Notes

In October 2014 and February 2015, we entered into a Master Loan and Security Agreement (“Master Loan Agreement”) and a Master Equipment Lease Agreement (“Master Equipment Agreement”), respectively, with various lenders to provide financing for the purpose of purchasing or leasing vehicles and equipment used in the normal course of business. Each financing arrangement under these agreements constitutes a separate note and obligation. Vehicles and equipment purchased or leased under each financing arrangement serve as collateral for the note applicable to such financing arrangement. Regular payments are due under each note for a period of 60 consecutive months after the incurrence of the obligation. The specific terms of each note are based on specific criteria, including the type of vehicle or equipment and the market interest rates at the time. No termination date applies to either agreement. The total aggregate balance under these agreements was $13,334 and $1,346 as of September 30, 2015 and December 31, 2014, respectively.

Fair Value Measurements

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

NOTE 5 – FAIR VALUE MEASUREMENTS

Fair Values

Fair value is the price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.

The standard establishes a fair value hierarchy that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The standard describes three levels of inputs that may be used to measure fair value:

Level 1: Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date.

Level 2: Significant other observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data.

Level 3: Significant unobservable inputs that reflect a reporting entity’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

Accounts receivable, accounts payable, and accrued liabilities as of September 30, 2015 and December 31, 2014 approximate fair value due to the short-term maturities of these financial instruments. The carrying amounts of the long-term debt, including the Term Loan, DDTL and LOC, approximate fair value as of September 30, 2015 and December 31, 2014 due to the short term maturities of the underlying variable rate LIBOR agreements. The carrying amounts of the obligations associated with our capital leases approximate fair value as of September 30, 2015 and December 31, 2014 because the associated assets generate sufficient cash to settle the obligations. All debt classifications represent Level 2 fair value measurements.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

In many cases, a valuation technique used to measure fair value includes inputs from multiple levels of the fair value hierarchy. The lowest level of significant input determines the placement of the entire fair value measurement in the hierarchy. During the periods presented, there were no transfers between fair value hierarchical levels.

Our Redeemable Preferred Stock was redeemed in February 2014 with proceeds from our IPO, eliminating the associated put option. In addition, the redeemable feature of our Redeemable Common Stock was terminated upon the IPO. See Note 1, Organization, “2014 Initial Public Offering,” for further information. As such, corresponding fair values are zero as of September 30, 2015 and December 31, 2014.

The following is a general description of the valuation methodologies used for liabilities and mezzanine equity (which includes redeemable preferred and common stock) items measured at fair value during fiscal year 2014:

Put option – Redeemable Preferred Stock – We identified a certain embedded feature in the Redeemable Preferred Stock that was required to be bifurcated and accounted for as a derivative. The identified put option allowed Redeemable Preferred stockholders to put their shares upon a change in control. The estimated fair value of the put option on Redeemable Preferred Stock was determined using our estimates of the probability of a change in control during each period the option was outstanding in combination with the accreted fair value of the Redeemable Preferred Stock during the option period. Those resulting probabilities were then calculated at net present value for each period presented.

Redeemable Common Stock – The estimated fair value of the redeemable feature of certain shares of our outstanding common stock was determined using a combination of discounted cash flows and market multiple approach modeling in order to mark the Redeemable Common Stock to market at each period end.

Changes in the fair value of recurring fair value measurements using significant unobservable inputs (Level 3) for the nine months ended September 30, 2014 were as follows (in thousands):


Balance as of January 1, 2014	$	81,500
Adjustments to fair value measurement impacting the Statement of Stockholders’ Deficit and Redeemable Instruments		8,357
Adjustments to fair value measurement impacting the Statement of Operations		(490	)
Termination of Redemption Feature on common stock and put option		(89,367	)

Balance as of September 30, 2014	$	—

The unrealized gain related to the put option liabilities is recorded within other expense (income) on the Condensed Consolidated Statements of Operations for the nine months ended September 30, 2014.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Stockholders' Equity	9 Months Ended
Stockholders' Equity	Sep. 30, 2015
Equity [Abstract]
Stockholders' Equity	NOTE 6 – STOCKHOLDERS’ EQUITY In anticipation of our IPO, we amended our Certificate of Incorporation on February 10, 2014 to, among other things, authorize additional shares of common and preferred stock. On February 25, 2014, we further amended our Certificate of Incorporation to delete references to the Redeemable Preferred Stock, all of which was redeemed with proceeds from our IPO and subsequently retired and cancelled. As of September 30, 2015, we had 5,000,000 shares of preferred stock authorized with no shares issued or outstanding, 100,000,000 shares of common stock authorized, 31,982,888 shares of common stock issued and 31,366,328 shares of common stock outstanding, all with par value of $0.01, and 616,560 shares of treasury stock at cost. On March 13, 2015, we entered into a share repurchase agreement with Installed Building Systems, Inc. (“IBS”), a related party, for the purchase of 315,000 shares of our common stock for a purchase price of $6,057 (or $19.23 per share, which represented a 7.5% discount to the last reported price of our common stock on March 13, 2015) plus minor costs we incurred with respect to the transaction of $43, totaling $6,100. The effect of these treasury shares reducing the number of common shares outstanding is reflected in our earnings per share calculation for the nine months ended September 30, 2015. For additional information on the related party relationship, see Note 9, Related Party Transactions.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

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Reference 15: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Employee Benefits

9 Months Ended

Sep. 30, 2015

Postemployment Benefits [Abstract]

Employee Benefits

NOTE 7 – EMPLOYEE BENEFITS

Healthcare

Our healthcare benefit expense (net of employee contributions) was approximately $3,046 and $2,143 for the three months ended September 30, 2015 and 2014, respectively, for all plans and $8,874 and $6,737 for the nine months ended September 30, 2015 and 2014, respectively. An accrual for estimated healthcare claims incurred but not reported (“IBNR”) is included within accrued compensation on the Condensed Consolidated Balance Sheets and was $1,588 and $1,089 as of September 30, 2015 and December 31, 2014, respectively.

Workers’ Compensation

Workers’ compensation expense totaled $2,578 and $2,335 for the three months ended September 30, 2015 and 2014, respectively, and $6,628 and $5,955 for the nine months ended September 30, 2015 and 2014, respectively. Workers’ compensation known claims and IBNR reserves included on the Condensed Consolidated Balance Sheets were as follows:


	September 30, 2015		December 31, 2014
Included in other current liabilities	$	2,760	$	2,504
Included in other long-term liabilities		5,028		5,752

	$	7,788	$	8,256

We also had an insurance receivable for claims that exceeded the stop loss limit included on the Condensed Consolidated Balance Sheets. That receivable offsets an equal liability included within the reserve amounts noted above and was as follows:


	September 30, 2015		December 31, 2014
Included in other non-current assets	$	1,552	$	2,286

Share-Based Compensation

Directors

In June 2015 and 2014, we granted 13,188 and 23,490 shares of restricted stock, respectively, at a price of $22.74 and $12.77 per share, respectively, (which represents market price on the grant dates) to non-employee members of our Board of Directors. Accordingly, for each of the nine month periods ended September 30, 2015 and 2014, we recorded $300 in compensation expense related to these grants within administrative expenses on the Condensed Consolidated Statements of Operations. These shares effectively vested on the grant date since there is deemed to be no service period associated with these awards. The lack of a vesting or service period may not apply to any future share grants under our 2014 Omnibus Incentive Plan.

Employees

During the nine months ended September 30, 2015, we granted 130,613 shares of restricted stock which vest 100% between January 7, 2016 and March 31, 2016 for non-executive employees and in three equal installments (rounded to the nearest whole share) on each of March 31, 2016, March 31, 2017 and March 31, 2018 for certain executive officers. We recorded $574 and $1,232 in compensation expense related to these grants within administrative expenses on the Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2015. No shares were awarded during the three and nine months ended September 30, 2014, and, accordingly, no expense was incurred.

Nonvested restricted stock as of December 31, 2014 and changes during the nine months ended September 30, 2015 were as follows:


	Restricted Stock Awards			Weighted Average Grant Date Fair Market Value Per Share
Nonvested restricted stock at December 31, 2014		—		$	—
Granted		130,613			21.53
Vested		—			—
Forfeited		(1,560	)		21.79

Nonvested restricted stock at September 30, 2015		129,053		$	21.52

As of September 30, 2015, there was $1,480 of unrecognized compensation expense related to nonvested restricted stock. This expense is subject to future adjustments for forfeitures and is expected to be recognized on a straight-line basis over the remaining weighted-average period of 1.2 years. Shares forfeited are returned as treasury shares and available for future issuances.

As of September 30, 2015, 2,834,269 shares of common stock were available for issuance under the 2014 Omnibus Incentive Plan.

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	NOTE 8 – INCOME TAXES Our provision for income taxes as a percentage of pretax earnings (“effective tax rate”) is based on a current estimate of the annual effective income tax rate adjusted to reflect the impact of discrete items. During the three and nine months ended September 30, 2015, the effective tax rate for continuing operations was 33.9 percent and 35.8 percent, respectively. These rates were favorably impacted by deductions related to domestic production activities, offset by separate tax filing entities in a loss position for which a full valuation allowance will be accounted for against the losses, causing no tax benefit to be recognized on the losses.

Related Party Transactions

9 Months Ended

Sep. 30, 2015

Related Party Transactions

NOTE 9 – RELATED PARTY TRANSACTIONS

We sell installation services to other companies related through common or affiliated ownership. We also purchase services and materials and pay rent to companies with common or related ownership.

We lease our headquarters and certain other facilities from related parties. See Note 10, Commitments and Contingencies, for future minimum lease payments to be paid to these related parties.

For the three and nine months ended September 30, 2015 and 2014, the amount of sales to common or related parties as well as the purchases from and rent expense paid to these common or related parties were as follows:


	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
Sales	$	1,924	$	1,577	$	4,661	$	3,885
Purchases		80		513		366		2,836
Rent		150		162		446		446

During the second quarter of 2014, we appointed a new member of our Board of Directors who is also the CEO of M/I Homes, Inc. (NYSE: MHO), one of our customers. As a result, we have included all sales to this customer in the above table.

At September 30, 2015 and December 31, 2014, we had related party balances of $1,888 and $1,255, respectively, included in accounts receivable on our Condensed Consolidated Balance Sheets. These balances represent trade accounts receivable arising during normal course of business with various related parties. M/I Homes, Inc. accounted for $939 and $627 of these balances as of September 30, 2015 and December 31, 2014, respectively.

As a result of our acquisition of TCI Contracting, LLC (“TCI”) in 2012, one of our existing suppliers became classified as a related party until a change in ownership of the supplier resulted in an end to such classification in August 2014. Purchases made from this supplier, while classified as a related party, during the three and nine months ended September 30, 2014 were $439 and $2,572, respectively, and are included in total related party purchases in the preceding table.

On March 13, 2015, we entered into a share repurchase agreement with Installed Building Systems, Inc. (“IBS”) for the purchase of 315,000 shares of our common stock. Jeff Edwards, our Chief Executive Officer, has beneficial ownership in the shares of our common stock held by IBS. See Note 6, Stockholders’ Equity, for additional information.

As of December 31, 2014, the Company maintained a receivable from IBP Holding Company, related to us through direct control by Jeff Edwards, in the amount of approximately $600. The receivable represented amounts owed to us for wages and related expenses paid by the Company during 2011 to former employees of IBP Holding Company and was included in other current assets on the Condensed Consolidated Balance Sheet as of December 31, 2014. During the nine months ended September 30, 2015, we received the full remaining balance and accordingly, no such receivable exists as of September 30, 2015.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References + Details

Commitments and Contingencies

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

NOTE 10 – COMMITMENTS AND CONTINGENCIES

Accrued General Liability Insurance

Accrued insurance reserves included on the Condensed Consolidated Balance Sheets were as follows:


	September 30, 2015		December 31, 2014
Included in other current liabilities	$	1,317	$	1,379
Included in other long-term liabilities		6,788		3,754

	$	8,105	$	5,133

We also had insurance receivables included on the Condensed Consolidated Balance Sheets that, in aggregate, offset an equal liability included within the reserve amounts noted above. The amounts were as follows:


	September 30, 2015		December 31, 2014
Insurance receivable for claims under a fully insured policy	$	2,013	$	—
Insurance receivable for claims that exceeded the stop loss limit		821		677

Total insurance receivables included in other non-current assets	$	2,834	$	677

Leases

We are obligated under capital leases covering vehicles and certain equipment. The vehicle and equipment leases generally have terms ranging from four to six years. Total gross assets relating to capital leases were $65,562 and $65,238 as of September 30, 2015 and December 31, 2014, respectively, and a total of $19,395 and $20,499 were fully depreciated as of September 30, 2015 and December 31, 2014, respectively. The net book value of assets under capital leases was $24,043 and $28,754 as of September 30, 2015 and December 31, 2014, respectively, net of accumulated depreciation of $41,519 and $36,484 as of September 30, 2015 and December 31, 2014, respectively. Amortization of assets held under capital leases is included within cost of sales on the Condensed Consolidated Statements of Operations.

We also have several noncancellable operating leases, primarily for buildings, improvements, equipment, and certain vehicles. These leases generally contain renewal options for periods ranging from one to five years and require us to pay all executory costs such as property taxes, maintenance and insurance.

In some instances, lease agreements exist with related parties. Future minimum lease payments under noncancellable operating leases (with initial or remaining lease terms in excess of one year) with related parties as of September 30, 2015 are as follows (amounts are as of the fiscal year ended):


Remainder of 2015	$	152
2016		593
2017		366
2018		155
2019		—
Thereafter		—

Supply Contract Commitments

As of September 30, 2015, we had two product supply contracts, one extending through December 31, 2015 and one extending through August 31, 2017. Our obligations for both contracts are based on quantity without a specific rate applied and therefore are not quantifiable. We expect our quantity of purchases to exceed the minimum quantity commitments for all years covered by the contracts. Actual purchases made under the contracts for the three months ended September 30, 2015 and 2014 were $18,520 and $16,519, respectively, and $49,656 and $37,359 for the nine months ended September 30, 2015 and 2014, respectively.

Other Commitments and Contingencies

From time to time, various claims and litigation are asserted or commenced against us principally arising from contractual and tort matters and personnel and employment disputes. In determining loss contingencies, management considers the likelihood of loss as well as the ability to reasonably estimate the amount of such loss or liability. An estimated loss is recorded when it is considered probable that such a liability has been incurred and when the amount of loss can be reasonably estimated. As litigation is subject to inherent uncertainties, we cannot be certain that we will prevail in these matters. However, we do not believe that the ultimate outcome of any pending matters will have a material adverse effect on our consolidated financial position, results of operations or cash flows.

Business Combinations

9 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Business Combinations

NOTE 11 – BUSINESS COMBINATIONS

As part of our ongoing strategy to increase market share in certain markets, we completed five business combinations during the nine months ended September 30, 2015 and two business combinations during the nine months ended September 30, 2014. The goodwill recognized in conjunction with these business combinations is a result of both purchase price multiples based on operating cash flows and expected synergies. We estimate $20,010 of the goodwill resulting from the 2015 acquisitions is expected to be deductible for tax purposes.

2015

On March 12, 2015, we acquired 100% of the stock and membership interests of nine different legal entities, collectively referred to as BDI Insulation (“BDI”). The purchase price consisted of cash of $30,680 and seller obligations of $5,765. Revenue and net income since the date of acquisition included in our Condensed Consolidated Statement of Operations for the three months ended September 30, 2015 were $10,342 and $572, respectively, and $22,471 and $1,619, respectively, for the nine months ended September 30, 2015.

On April 6, 2015, we acquired 100% of the common stock of C.Q. Insulation Inc. (“CQ”). The purchase price consisted of cash of $5,045 and seller obligations of $2,467. Revenue and net income since the date of acquisition included in our Condensed Consolidated Statements of Operations for the three months ended September 30, 2015 were $2,689 and $197, respectively, and $5,394 and $461, respectively, for the nine months ended September 30, 2015.

On June 1, 2015, we acquired substantially all of the assets of Layman Brothers Contracting (“Layman”). The purchase price consisted of cash of $9,025 and seller obligations of $663. Revenue and net income since the date of acquisition included in our Condensed Consolidated Statements of Operations for the three months ended September 30, 2015 were $3,695 and $286, respectively, and $4,912 and $391, respectively, for the nine months ended September 30, 2015.

On July 1, 2015, we acquired substantially all of the assets of EcoLogic Energy Solutions (“EcoLogic”). The purchase price consisted of cash of $3,015 and seller obligations of $550. Revenue and net loss since the date of acquisition included in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2015 were $1,778 and $36, respectively.

On August 10, 2015, we acquired 100% of the common stock of Eastern Contractor Services (“Eastern”). The purchase price consisted of cash of $24,199 and seller obligations of $2,919. Revenue and net income since the date of acquisition included in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2015 were $2,953 and $253, respectively.

2014

On March 24, 2014, we acquired 100% of the common stock of U.S. Insulation Corp. (“U.S. Insulation”). The purchase price consisted of cash of $2,006 and seller obligations of $279. Revenue and net income since the date of acquisition included in our Condensed Consolidated Statements of Operations for the three months ended September 30, 2014 was $3,510 and $405, respectively, and $6,456 and $591, respectively, for the nine months ended September 30, 2014.

On August 11, 2014, we acquired 100% of the common stock of Marv’s Insulation, Inc. (“Marv’s Insulation”). The purchase price consisted of cash of $1,360 and seller obligations of $175. Revenue and net income since the date of acquisition included in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2014 was $480 and $13, respectively.

Purchase Price Allocations

The estimated purchase price allocations for the acquisitions, subject to finalization during the measurement period, approximated the following (amounts related to 2015 acquisitions are preliminary):


	2015												2014
	BDI			Eastern			Other			Total
Estimated fair values:
Cash	$	661		$	163		$	100		$	924		$	53
Accounts receivable		4,735			2,772			3,765			11,272			1,496
Inventories		980			335			538			1,853			262
Other current assets		368			204			49			135			123
Property and equipment, net		1,006			1,364			1,329			3,699			554
Intangibles, net		21,280			13,871			11,507			46,658			1,561
Goodwill		15,541			9,831			6,989			32,361			1,958
Other non-current assets		3,736			339			56			4,131			—
Accounts payable and other current liabilities		(3,303	)		(1,677	)		(3,330	)		(7,824	)		(1,727	)
Deferred income tax liabilities		(4,823	)		—			—			(4,823	)		(460	)
Long-term debt		—			(82	)		—			(82	)		—
Other long-term liabilities		(3,736	)		(2	)		(238	)		(3,976	)		—

Total purchase price	$	36,445		$	27,118		$	20,765		$	84,328		$	3,820


Seller obligations	$	5,765		$	2,919		$	3,680		$	12,364		$	454
Cash paid		30,680			24,199			17,085			71,964			3,366

Total purchase price	$	36,445		$	27,118		$	20,765		$	84,328		$	3,820

The provisional amounts for BDI originally reported in our Quarterly Report on Form 10-Q for the period ended March 31, 2015 were adjusted to reflect the review and ongoing analysis of the fair value measurements. As a result of an independent appraisal, we increased goodwill by approximately $700 and our seller obligations by approximately $300 for an adjustment to the fair value of a working capital contingent liability. These adjustments, as well as various other insignificant adjustments, resulted in a total purchase price increase for BDI of approximately $300 as reflected within the above table.

The provisional amounts for CQ originally reported in our Quarterly Report on Form 10-Q for the period ended June 30, 2015 were adjusted to reflect the review and ongoing analysis of the fair value measurements. As a result of an independent appraisal, we increased goodwill and our seller obligations by approximately $500 for an adjustment to the fair value of a contingent consideration liability. These adjustments, as well as various other insignificant adjustments, resulted in a total purchase price increase for CQ of approximately $500 as reflected within the above table.

Further adjustments to the allocation for all acquisitions described above are expected as third-party or internal valuations are finalized, certain tax aspects of the transaction are completed, and customary post-closing reviews are concluded during the measurement period attributable to each individual business combination.

Included in other noncurrent assets in the above table as of each of the three and nine months ended September 30, 2015 is an insurance receivable of $2,013 and an indemnification asset associated with the acquisition of BDI in the amount of $1,723. These assets offset equal liabilities included in other long-term liabilities in the above table, which represent additional insurance reserves and an uncertain tax position liability for which we may be liable. All amounts are measured at their acquisition-date fair value.

Estimates of acquired intangible assets related to the acquisitions are as follows:


	2015				2014
Acquired intangibles assets	Estimated Fair Value		Weighted Average Estimated Useful Life (yrs)		Estimated Fair Value		Weighted Average Estimated Useful Life (yrs)
Customer relationships	$	29,958		8	$	1,007		10
Trademarks and trade names		12,882		15		399		15
Covenants not-to-compete		3,818		5		155		5

Pro Forma Information

The unaudited pro forma information for the combined results of the Company has been prepared as if the 2015 acquisitions had taken place on January 1, 2014 and all 2014 acquisitions had taken place on January 1, 2013. The unaudited pro forma information is not necessarily indicative of the results that we would have achieved had the transactions actually taken place on January 1, 2014 and 2013, and the unaudited pro forma information does not purport to be indicative of future financial operating results. See Note 12, Business Combinations, to our audited financial statements in Item 8 of Part II of our Annual Report on Form 10-K filed with the SEC on March 13, 2015 for additional information on 2014 acquisitions included in the table below.


	Pro forma for the three months ended September 30,				Pro forma for the nine months ended September 30,
	2015		2014		2015		2014
Net revenue	$	183,355	$	146,287	$	499,095	$	390,112

Net income		9,349		6,990		17,878		10,330
Accretion charges on Redeemable Preferred Stock		—		—		—		(19,897	)

Net income (loss) attributable to common stockholders	$	9,349	$	6,990	$	17,878	$	(9,567	)


Basic net income (loss) per share attributable to common stockholders	$	0.30	$	0.22	$	0.57	$	(0.32	)

Diluted net income (loss) per share attributable to common stockholders	$	0.30	$	0.22	$	0.57	$	(0.32	)

Pro forma data for Parker Insulation and Building Products (“Parker”), a subsidiary of Eastern, is not included in the above table. Results for Parker represent an insignificant portion of the financial data of Eastern as a whole. We were unable to obtain complete financial data prior to date of acquisition despite reasonable efforts. As a result, only financial information since date of acquisition is included.

Unaudited pro forma net income reflects additional intangible asset amortization expense of $288 and $1,433 for the three months ended September 30, 2015 and 2014, respectively, and $2,249 and $4,338 for the nine months ended September 30, 2015 and 2014, respectively. In addition, unaudited pro forma net income includes income tax effects of ($125) and $451 for the three months ended September 30, 2015 and 2014, respectively, and $274 and $911 for the nine months ended September 30, 2015 and 2014, respectively. We included $958 in transaction costs resulting from a business combination occurring in the nine months ended September 30, 2015 in earnings for the nine months ended September 30, 2014 as though the acquisition occurred as of the beginning of the comparable period.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1490-128463

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 805
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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+ Details

Income (Loss) Per Common Share

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Income (Loss) Per Common Share

NOTE 12 – INCOME (LOSS) PER COMMON SHARE

Basic net income (loss) per share is calculated by dividing net income (loss) attributable to common stockholders by the weighted average shares outstanding during the period, without consideration for common stock equivalents.

Diluted net income (loss) per share is calculated by adjusting weighted average shares outstanding for the dilutive effect of common stock equivalents outstanding for the period, determined using the treasury stock method. Potential common stock is included in the diluted income (loss) per share calculation when dilutive. Diluted income (loss) per share was as follows:


	For the three months ended September 30,				For the nine months ended September 30,
	2015		2014		2015		2014
Net income (loss) attributable to common stockholders — basic and diluted	$	9,481	$	6,196	$	17,230	$	(11,021	)


Weighted average number of common shares outstanding		31,237,275		31,839,087		31,318,682		29,539,592
Dilutive effect of outstanding restricted stock awards after application of the Treasury Stock Method		51,334		—		24,548		—

Diluted shares outstanding		31,288,609		31,839,087		31,343,230		29,539,592

Basic income (loss) per share attributable to common stockholders	$	0.30	$	0.19	$	0.55	$	(0.37	)


Diluted income (loss) per share attributable to common stockholders	$	0.30	$	0.19	$	0.55	$	(0.37	)

There were no common stock equivalents with a dilutive effect during the three and nine months ended September 30, 2014.

Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2015
Subsequent Events [Abstract]
Subsequent Events	NOTE 13 – SUBSEQUENT EVENTS On October 16, 2015, the Company, as borrower, entered into a First Amendment Agreement (the “Amendment”) by and among the Company, the lenders named therein and KeyBank National Association, as administrative agent for the lenders (the “Administrative Agent”). The Amendment modifies the definition of “Change in Control” set forth in Section 1.1 of the Amended Credit Agreement to, among other things, remove language that is commonly referred to as a “dead hand proxy put.”

Significant Accounting Policies (Policies)	9 Months Ended
Significant Accounting Policies (Policies)	Sep. 30, 2015
Accounting Policies [Abstract]
Basis of Presentation and Principles of Consolidation	Basis of Presentation and Principles of Consolidation The accompanying condensed consolidated financial statements include all of our wholly owned subsidiaries and majority owned subsidiaries. The non-controlling interest relating to majority owned subsidiaries is not significant for presentation. All intercompany accounts and transactions have been eliminated. The information furnished in the condensed consolidated financial statements includes normal recurring adjustments and reflects all adjustments which are, in the opinion of management, necessary for a fair presentation of the results of operations and statements of financial position for the interim periods presented. Certain information and footnote disclosures normally included in the consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) and the rules and regulations of the SEC have been condensed or omitted pursuant to such rules and regulations. We believe that the disclosures are adequate to prevent the information presented from being misleading when read in conjunction with our fiscal 2014 consolidated financial statements and the notes thereto included in Part II, Item 8. Financial Statements and Supplementary Data, of our Annual Report on Form 10-K as filed with the SEC on March 13, 2015. The December 31, 2014 condensed consolidated balance sheet data was derived from the audited financial statements but does not include all disclosures required by U.S. GAAP. Unless otherwise indicated, all amounts are in thousands except share and per share amounts. Our interim operating results for the three and nine months ended September 30, 2015 are not necessarily indicative of the results to be expected in future operating quarters. See Item 1A. Risk Factors, in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, for additional information regarding risk factors that may impact our results. Note 2 to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014 describes the significant accounting policies and estimates used in preparation of the consolidated financial statements. There have been no changes to our significant accounting policies or estimates during the three or nine months ended September 30, 2015, other than implementing our share-based compensation policy during the nine months ended September 30, 2015.
Use of Estimates	Use of Estimates Preparation of the condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates include the allowance for doubtful accounts, valuation allowance on deferred tax assets, intangible assets and other long-lived assets, share-based compensation, reserves for general liability, workers’ compensation, and medical insurance. Management believes the accounting estimates are appropriate and reasonably determined; however, due to the inherent uncertainties in making these estimates, actual amounts could differ from such estimates.
Share-Based Compensation	Share-Based Compensation Our share-based compensation program is designed to attract and retain employees while also aligning employees’ interests with the interests of our stockholders. Restricted stock awards are periodically granted to certain employees, officers, and non-employee members of our Board of Directors under the stockholder-approved 2014 Omnibus Incentive Plan. The awards are deemed to be equity-based with a service condition and do not contain a market condition. Fair value of the awards to employees and officers is measured at the grant date and amortized to expense over the vesting period of the awards using the straight-line attribution method for all service-based awards with a graded vesting feature. This fair value is reduced by assumed forfeitures and adjusted for actual forfeitures until vesting. Employees and officers are subject to tax at the vesting date based on the market price of the shares on that date, or on the grant date if an election is made. The future income tax benefit associated with these awards is recorded over the vesting period. In the event dividends are ultimately declared and paid, a forfeiture rate for the unvested restricted shares would be applied.
Recently Issued Accounting Pronouncements Not Yet Adopted	Recently Issued Accounting Pronouncements Not Yet Adopted In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU 2014-09 sets forth a new revenue recognition model that requires identifying the contract(s) with a customer, identifying the performance obligations in the contract, determining the transaction price, allocating the transaction price to the performance obligations and recognizing the revenue upon satisfaction of performance obligations. In July 2015, the FASB voted to defer the application of the provisions of this standard for public companies until annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In April 2015, the FASB issued ASU 2015-03, “Interest – Imputation of Interest.” The amendments in this update require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. For public business entities, the amendments in this update are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In August 2015, the FASB issued ASU 2015-15, “Imputation of Interest (Subtopic 835-30).” This ASU amends ASU 2015-03 regarding the presentation and subsequent measurement of debt issuance costs related to line-of-credit arrangements. Specifically, it provides guidance for deferring and presenting debt issuance costs as an asset and subsequently amortizing the deferred debt issuance costs ratably over the term of the line-of-credit arrangement, regardless of whether there are any outstanding borrowings on the line-of-credit arrangement. For public business entities, the amendments in this update are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In July 2015, the FASB issued ASU 2015-11, “Inventory (Topic 330).” The amendments in this update require an entity to measure inventory within the scope of this update at the lower of cost and net realizable value. For public business entities, the amendments in this update are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements. In September 2015, the FASB issued ASU 2015-16, “Business Combinations (Topic 805).” This ASU requires that an acquirer retrospectively adjust provisional amounts recognized in a business combination during the measurement period. To simplify the accounting for adjustments made to provisional amounts, the amendments in this update require that the acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amount is determined. The acquirer is required to also record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date. In addition, an entity is required to present separately on the face of the income statement or disclose in the notes to the financial statements the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. For public business entities, the amendments in this update are effective for fiscal years beginning after December 15, 2015, including interim periods within those fiscal years. We are still evaluating whether this ASU will have a material impact on our consolidated financial statements.

Organization (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Percentage of Net Revenue by End Market

The following table sets forth the percentage of our net revenue by end market:


	Three and nine months ended
	September 30, 2015			September 30, 2014
Residential new construction and repair and remodel		89	%		89	%
Commercial construction		11			11

		100	%		100	%

Goodwill and Intangibles (Tables)

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Change in Carrying Amount of Goodwill

The change in carrying amount of goodwill was as follows:


	Goodwill (Gross)		Accumulated Impairment Losses			Goodwill (Net)

January 1, 2014	$	119,332	$	(70,004	)	$	49,328
Additions		1,958		—			1,958

September 30, 2014	$	121,290	$	(70,004	)	$	51,286


January 1, 2015	$	123,397	$	(70,004	)	$	53,393
Additions		32,461		—			32,461

September 30, 2015	$	155,858	$	(70,004	)	$	85,854

Schedule of Gross Carrying Amount and Accumulated Amortization

The following table provides the gross carrying amount and accumulated amortization for each major class of intangibles:


	September 30, 2015						December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Amortized intangibles:
Customer relationships	$	56,227	$	18,796	$	37,431	$	26,119	$	16,151	$	9,968
Covenants not-to-compete		4,862		585		4,277		883		202		681
Trademarks and tradenames		26,635		7,675		18,960		13,681		6,612		7,069

	$	87,724	$	27,056	$	60,668	$	40,683	$	22,965	$	17,718

Schedule of Estimated Aggregate Annual Amortization

Remaining estimated aggregate annual amortization expense is as follows (amounts are for the fiscal year ended):


Remainder of 2015	$	2,107
2016		8,175
2017		7,529
2018		7,300
2019		7,005
Thereafter		28,552

Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt

Debt consists of the following:


	September 30, 2015			December 31, 2014
Term Loan	$	48,750		$	24,688
Delayed Draw Term Loan		35,000			—
Vehicle and equipment notes		13,334			1,346
Various notes payable, maturing through March 2025; payable in various monthly installments, including interest rates ranging from 0.0% to 10.0%		4,729			822

		101,813			26,856
Less: current maturities		(6,358	)		(1,786	)

Long-term debt, less current maturities	$	95,455		$	25,070

Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Changes in Fair Value of Recurring Fair Value Measurements Using Significant Unobservable Inputs (Level 3)

Changes in the fair value of recurring fair value measurements using significant unobservable inputs (Level 3) for the nine months ended September 30, 2014 were as follows (in thousands):


Balance as of January 1, 2014	$	81,500
Adjustments to fair value measurement impacting the Statement of Stockholders’ Deficit and Redeemable Instruments		8,357
Adjustments to fair value measurement impacting the Statement of Operations		(490	)
Termination of Redemption Feature on common stock and put option		(89,367	)

Balance as of September 30, 2014	$	—

Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2015

Postemployment Benefits [Abstract]

Summary of Workers' Compensation Known Claims and IBNR Reserves

Workers’ compensation known claims and IBNR reserves included on the Condensed Consolidated Balance Sheets were as follows:


	September 30, 2015		December 31, 2014
Included in other current liabilities	$	2,760	$	2,504
Included in other long-term liabilities		5,028		5,752

	$	7,788	$	8,256

Schedule of Insurance Receivable for Claims

That receivable offsets an equal liability included within the reserve amounts noted above and was as follows:


	September 30, 2015		December 31, 2014
Included in other non-current assets	$	1,552	$	2,286

Summary of Nonvested Restricted Stock Awards and Changes During Period

Nonvested restricted stock as of December 31, 2014 and changes during the nine months ended September 30, 2015 were as follows:


	Restricted Stock Awards			Weighted Average Grant Date Fair Market Value Per Share
Nonvested restricted stock at December 31, 2014		—		$	—
Granted		130,613			21.53
Vested		—			—
Forfeited		(1,560	)		21.79

Nonvested restricted stock at September 30, 2015		129,053		$	21.52

Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2015

Schedule of Related Party Transactions


	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
Sales	$	1,924	$	1,577	$	4,661	$	3,885
Purchases		80		513		366		2,836
Rent		150		162		446		446

Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Accrued Insurance Reserves

Accrued insurance reserves included on the Condensed Consolidated Balance Sheets were as follows:


	September 30, 2015		December 31, 2014
Included in other current liabilities	$	1,317	$	1,379
Included in other long-term liabilities		6,788		3,754

	$	8,105	$	5,133

Schedule of Insurance Receivable for Claims


	September 30, 2015		December 31, 2014
Insurance receivable for claims under a fully insured policy	$	2,013	$	—
Insurance receivable for claims that exceeded the stop loss limit		821		677

Total insurance receivables included in other non-current assets	$	2,834	$	677

Future Minimum Lease Payments Under Noncancellable Operating Leases

Future minimum lease payments under noncancellable operating leases (with initial or remaining lease terms in excess of one year) with related parties as of September 30, 2015 are as follows (amounts are as of the fiscal year ended):


Remainder of 2015	$	152
2016		593
2017		366
2018		155
2019		—
Thereafter		—

- Definition

Tabular disclosure of a lessee's leasing arrangements including: (1) the basis on which contingent rental payments are determined, (2) the existence and terms of renewal or purchase options and escalation clauses, (3) restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included.

+ References + Details

Business Combinations (Tables)

9 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Summary of Estimated Purchase Price Allocations for Acquisitions


	2015												2014
	BDI			Eastern			Other			Total
Estimated fair values:
Cash	$	661		$	163		$	100		$	924		$	53
Accounts receivable		4,735			2,772			3,765			11,272			1,496
Inventories		980			335			538			1,853			262
Other current assets		368			204			49			135			123
Property and equipment, net		1,006			1,364			1,329			3,699			554
Intangibles, net		21,280			13,871			11,507			46,658			1,561
Goodwill		15,541			9,831			6,989			32,361			1,958
Other non-current assets		3,736			339			56			4,131			—
Accounts payable and other current liabilities		(3,303	)		(1,677	)		(3,330	)		(7,824	)		(1,727	)
Deferred income tax liabilities		(4,823	)		—			—			(4,823	)		(460	)
Long-term debt		—			(82	)		—			(82	)		—
Other long-term liabilities		(3,736	)		(2	)		(238	)		(3,976	)		—

Total purchase price	$	36,445		$	27,118		$	20,765		$	84,328		$	3,820


Seller obligations	$	5,765		$	2,919		$	3,680		$	12,364		$	454
Cash paid		30,680			24,199			17,085			71,964			3,366

Total purchase price	$	36,445		$	27,118		$	20,765		$	84,328		$	3,820

Estimates of Acquired Intangible Assets

Estimates of acquired intangible assets related to the acquisitions are as follows:


	2015				2014
Acquired intangibles assets	Estimated Fair Value		Weighted Average Estimated Useful Life (yrs)		Estimated Fair Value		Weighted Average Estimated Useful Life (yrs)
Customer relationships	$	29,958		8	$	1,007		10
Trademarks and trade names		12,882		15		399		15
Covenants not-to-compete		3,818		5		155		5

Pro Forma Results of Operations


	Pro forma for the three months ended September 30,				Pro forma for the nine months ended September 30,
	2015		2014		2015		2014
Net revenue	$	183,355	$	146,287	$	499,095	$	390,112

Net income		9,349		6,990		17,878		10,330
Accretion charges on Redeemable Preferred Stock		—		—		—		(19,897	)

Net income (loss) attributable to common stockholders	$	9,349	$	6,990	$	17,878	$	(9,567	)


Basic net income (loss) per share attributable to common stockholders	$	0.30	$	0.22	$	0.57	$	(0.32	)

Diluted net income (loss) per share attributable to common stockholders	$	0.30	$	0.22	$	0.57	$	(0.32	)

Income (Loss) Per Common Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Summary of Diluted Income (Loss) Per Share

Diluted income (loss) per share was as follows:


	For the three months ended September 30,				For the nine months ended September 30,
	2015		2014		2015		2014
Net income (loss) attributable to common stockholders — basic and diluted	$	9,481	$	6,196	$	17,230	$	(11,021	)


Weighted average number of common shares outstanding		31,237,275		31,839,087		31,318,682		29,539,592
Dilutive effect of outstanding restricted stock awards after application of the Treasury Stock Method		51,334		—		24,548		—

Diluted shares outstanding		31,288,609		31,839,087		31,343,230		29,539,592

Basic income (loss) per share attributable to common stockholders	$	0.30	$	0.19	$	0.55	$	(0.37	)


Diluted income (loss) per share attributable to common stockholders	$	0.30	$	0.19	$	0.55	$	(0.37	)

Organization - Additional Information (Detail) $ / shares in Units, $ in Thousands				9 Months Ended
	Jun. 17, 2014 USD ($) $ / shares shares	Feb. 19, 2014 USD ($) $ / shares shares	Feb. 10, 2014 shares	Sep. 30, 2015 USD ($) Location Segment shares	Sep. 30, 2014 USD ($)	Dec. 31, 2014 shares
Basis Of Presentation And Organization [Line Items]
Number of operating segment \| Segment				1
Stock split description				19.5-for-one
Stock split ratio			19.5
Common stock, shares issued				31,982,888		31,839,087
Common stock, shares outstanding				31,366,328		31,539,087
Proceeds from initial public offering of common stock, net of costs \| $					$ 87,645
Payment to redeem redeemable preferred stock \| $					75,735
Payment of revolving credit facility \| $				$ 130,800
Proceeds from secondary public offering of common stock, net of costs \| $					$ 14,418
IPO [Member]
Basis Of Presentation And Organization [Line Items]
Common stock, shares issued		8,567,500
Proceeds from initial public offering of common stock, net of costs \| $		$ 87,645
Payment to redeem redeemable preferred stock \| $		75,735
Proceeds from IPO used to pay underwriting fees \| $		$ 6,597
Common stock, price per share \| $ / shares		$ 11.00
IPO [Member] \| Revolving Credit Facility [Member]
Basis Of Presentation And Organization [Line Items]
Payment of revolving credit facility \| $		$ 11,910
Secondary Public Offering [Member]
Basis Of Presentation And Organization [Line Items]
Secondary Public Offering, Shares	9,314,196
Secondary Public Offering, Share Price \| $ / shares	$ 12.50
Proceeds from secondary public offering of common stock, net of costs \| $	$ 14,418
Secondary Public Offering [Member] \| Selling Stockholder [Member]
Basis Of Presentation And Organization [Line Items]
Secondary Public Offering, Shares	8,100,000
Secondary Public Offering [Member] \| Underwriters Option To Purchase Additional Shares [Member]
Basis Of Presentation And Organization [Line Items]
Secondary Public Offering, Shares	1,214,196
Shares Prior to Stock Split [Member]
Basis Of Presentation And Organization [Line Items]
Common stock, shares issued			1,129,944
Common stock, shares outstanding			1,129,944
Stock Split [Member]
Basis Of Presentation And Organization [Line Items]
Common stock, shares issued			22,033,901
Common stock, shares outstanding			22,033,901
UNITED STATES
Basis Of Presentation And Organization [Line Items]
Number of locations the company operates \| Location				100

Organization - Summary of Percentage of Net Revenue by End Market (Detail) - Customer Concentration Risk [Member] - Revenue [Member]	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Product Information [Line Items]
Net revenues percentage	100.00%	100.00%	100.00%	100.00%
Residential New Construction and Repair and Remodel [Member]
Product Information [Line Items]
Net revenues percentage	89.00%	89.00%	89.00%	89.00%
Commercial Construction [Member]
Product Information [Line Items]
Net revenues percentage	11.00%	11.00%	11.00%	11.00%

Goodwill and Intangibles - Summary of Change in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill (Gross)	$ 155,858	$ 123,397	$ 121,290	$ 119,332
Accumulated Impairment Losses	(70,004)	(70,004)	(70,004)	(70,004)
Goodwill (Net)	85,854	$ 53,393	51,286	$ 49,328
Additions [Member]
Goodwill [Line Items]
Goodwill (Gross)	32,461		1,958
Goodwill (Net)	$ 32,461		$ 1,958

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 32,461,000	$ 1,958,000
Goodwill impairment	0	$ 0
Increase in gross carrying amount of intangibles	$ 47,041,000

Goodwill and Intangibles - Schedule of Gross Carrying Amount and Accumulated Amortization (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 87,724	$ 40,683
Accumulated Amortization	27,056	22,965
Net Book Value	60,668	17,718
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	56,227	26,119
Accumulated Amortization	18,796	16,151
Net Book Value	37,431	9,968
Covenants not-to-compete [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,862	883
Accumulated Amortization	585	202
Net Book Value	4,277	681
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	26,635	13,681
Accumulated Amortization	7,675	6,612
Net Book Value	$ 18,960	$ 7,069

Goodwill and Intangibles - Schedule of Estimated Aggregate Annual Amortization (Detail) $ in Thousands	Sep. 30, 2015 USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense Rolling Maturity Abstract
2015	$ 2,107
2016	8,175
2017	7,529
2018	7,300
2019	7,005
Thereafter	$ 28,552

Long-term Debt - Schedule of Maturities of Long-term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Debt Disclosure [Abstract]
Term Loan	$ 48,750	$ 24,688
Delayed Draw Term Loan	35,000
Vehicle and equipment notes	13,334	1,346
Various notes payable, maturing through March 2025; payable in various monthly installments, including interest rates ranging from 0.0% to 10.0%	4,729	822
Total long term debt	101,813	26,856
Total long term debt	101,813	26,856
Less: current maturities	(6,358)	(1,786)
Long-term debt, less current maturities	$ 95,455	$ 25,070

Long-term Debt - Schedule of Maturities of Long-term Debt (Parenthetical) (Detail)	9 Months Ended
	Sep. 30, 2015
Debt Disclosure [Abstract]
Notes payable Interest rate, minimum	0.00%
Notes payable Interest rate, maximum	10.00%
Notes payable maturity date	March 2025

Long-term Debt - Additional Information (Detail) - USD ($)		1 Months Ended	9 Months Ended
	Apr. 28, 2015	Oct. 31, 2014	Sep. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Term Loan maximum borrowing capacity	$ 50,000,000
Credit facility, covenant terms			The Amended Credit Agreement contains financial covenants requiring us to maintain 1) a leverage ratio of debt to earnings, as adjusted for certain items and as defined by the agreement, of no greater than 3.50 to 1.00 and 2) a fixed charge coverage ratio, as adjusted for certain items, of no less than 1.10 to 1.00.
Credit facility, interest rate description			The Amended Credit Agreement also contains various restrictive non-financial covenants and a provision that, upon an event of default (as defined by the agreement), amounts outstanding under the LOC, Term Loan, and any outstanding DDTL would bear interest at the rate as determined above plus 2%.
Contingent interest rate increase			2.00%
Long term notes payable			$ 13,334,000	$ 1,346,000
Amended Credit Agreement [Member]
Debt Instrument [Line Items]
Aggregate commitment amount on credit agreement	200,000,000
Amount of uncommitted accordion feature	$ 25,000,000
Maturity date	Apr. 30, 2020
Minimum [Member]
Debt Instrument [Line Items]
Fixed coverage ratio, covenants requirements			1.10
Maximum [Member]
Debt Instrument [Line Items]
Leverage Ratio, covenants requirements			3.50
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit outstanding			$ 0	0
Revolving Credit Facility [Member] \| Amended Credit Agreement [Member]
Debt Instrument [Line Items]
Revolving Line of Credit maximum borrowing capacity	$ 100,000,000
Delayed Draw Term Loan [Member]
Debt Instrument [Line Items]
Term Loan maximum borrowing capacity	$ 50,000,000
Master Loan Agreement [Member]
Debt Instrument [Line Items]
Payment Period		60 months
Long term notes payable			13,334,000	$ 1,346,000
Term Loan [Member] \| Payable Starting on September 30, 2015 [Member]
Debt Instrument [Line Items]
Quarterly principal payment of term loan			625,000
Term Loan [Member] \| Payable from June 30, 2017 Through March 31, 2019 [Member]
Debt Instrument [Line Items]
Quarterly principal payment of term loan			938,000
Term Loan [Member] \| Payable from June 30, 2019 through March 31, 2020 [Member]
Debt Instrument [Line Items]
Quarterly principal payment of term loan			$ 1,250,000
Term Loan [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Commitment fee			0.20%
Term Loan [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Commitment fee			0.30%

Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Redeemable preferred stock fair value	$ 0	$ 0

Fair Value Measurements - Changes in Fair Value of Recurring Fair Value Measurements Using Significant Unobservable Inputs (Level 3) (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Fair Value Disclosures [Abstract]
Beginning balance	$ 81,500
Adjustments to fair value measurement impacting the Statement of Stockholders' Deficit and Redeemable Instruments	8,357
Adjustments to fair value measurement impacting the Statement of Operations	(490)
Termination of Redemption Feature on common stock and put option	(89,367)
Ending balance	$ 0

Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
	Mar. 13, 2015	Sep. 30, 2015	Dec. 31, 2014
Statement Of Shareholders Equity [Line Items]
Preferred stock, shares authorized		5,000,000	5,000,000
Preferred stock, shares issued		0	0
Preferred stock, shares outstanding		0	0
Common stock, par value		$ 0.01	$ 0.01
Common stock, shares authorized		100,000,000	100,000,000
Common stock, shares issued		31,982,888	31,839,087
Common stock, shares outstanding		31,366,328	31,539,087
Treasury stock, shares		616,560	300,000
Share repurchase, amount		$ 6,100
IBS [Member]
Statement Of Shareholders Equity [Line Items]
Common Stock Repurchase, Shares	315,000
Share repurchase, amount	$ 6,100
Share repurchase, cost	43
Share repurchase, aggregate cost excluding transaction cost	$ 6,057
Share repurchase, price per share	$ 19.23
Discount from last reported price of our common stock	7.50%

Employee Benefits - Additional Information (Detail)	3 Months Ended		6 Months Ended		9 Months Ended
Employee Benefits - Additional Information (Detail)	Sep. 30, 2015 USD ($) shares	Sep. 30, 2014 USD ($) shares	Jun. 30, 2015 $ / shares shares	Jun. 30, 2014 $ / shares shares	Sep. 30, 2015 USD ($) Installment $ / shares shares	Sep. 30, 2014 USD ($) shares	Dec. 31, 2014 USD ($)
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Healthcare benefit expense, net of employee contributions	$ 3,046,000	$ 2,143,000			$ 8,874,000	$ 6,737,000
Accrued compensation	16,484,000				16,484,000		$ 11,311,000
Workers compensation expense	$ 2,578,000	$ 2,335,000			$ 6,628,000	$ 5,955,000
2014 Omnibus Incentive Plan [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Common stock shares available for issuance \| shares	2,834,269				2,834,269
Medical IBNR Included in Accrued Compensation [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Accrued compensation	$ 1,588,000				$ 1,588,000		$ 1,089,000
Restricted Stock [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Restricted stock granted, shares \| shares		0			130,613	0
Grant date fair value for restricted stock granted \| $ / shares					$ 0
Share based compensation expense	574,000	$ 0			$ 1,232,000	$ 0
Restricted stock vested percentage					100.00%
Number of equal installments for vesting restricted stock \| Installment					3
Unrecognized compensation expense	$ 1,480,000				$ 1,480,000
Restricted shares, weighted average remaining period					1 year 2 months 12 days
Restricted Stock [Member] \| Directors [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Restricted stock granted, shares \| shares			13,188	23,490
Grant date fair value for restricted stock granted \| $ / shares			$ 22.74	$ 12.77
Share based compensation expense					$ 300,000	$ 300,000

Employee Benefits - Summary of Workers' Compensation Known Claims and IBNR Reserves (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Employee-related Liabilities [Abstract]
Included in other current liabilities	$ 2,760	$ 2,504
Included in other long-term liabilities	5,028	5,752
Workers' Compensation Liability	$ 7,788	$ 8,256

Employee Benefits - Schedule of Insurance Receivable for Claims (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Malpractice Insurance [Line Items]
Included in other non-current assets	$ 2,834	$ 677
Workers Compensation [Member]
Malpractice Insurance [Line Items]
Included in other non-current assets	$ 1,552	$ 2,286

Employee Benefits - Summary of Nonvested Restricted Stock Awards and Changes During Period (Detail) - Restricted Stock [Member] - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	0	130,613	0
Vested		0
Forfeited		(1,560)
Nonvested restricted stock, Ending balance		129,053
Granted		$ 21.53
Vested		0
Forfeited		21.79
Nonvested restricted stock, Ending balance		$ 21.52

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Effective tax rate from continuing operations	33.90%	35.80%
Income tax benefit		$ 0	$ (30)

- Definition

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

+ References + Details

Related Party Transactions - Schedule of Related Party Transactions (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Related Party Transactions [Abstract]
Sales	$ 1,924	$ 1,577	$ 4,661	$ 3,885
Purchases	80	513	366	2,836
Rent	$ 150	$ 162	$ 446	$ 446

Related Party Transactions - Additional Information (Detail) - USD ($)		3 Months Ended		9 Months Ended
	Mar. 13, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Related Party Transaction [Line Items]
Related parties receivable		$ 1,888,000		$ 1,888,000		$ 1,255,000
Related party purchases		80,000	$ 513,000	366,000	$ 2,836,000
New Supplier Relationship [Member]
Related Party Transaction [Line Items]
Related party purchases			$ 439,000		$ 2,572,000
IBP Holding Company [Member]
Related Party Transaction [Line Items]
Accounts receivable, related parties		0		0		600,000
M/I Homes Inc [Member]
Related Party Transaction [Line Items]
Accounts receivable, related parties		$ 939,000		$ 939,000		$ 627,000
IBS [Member]
Related Party Transaction [Line Items]
Common Stock Repurchase, Shares	315,000

Commitments and Contingencies - Schedule of Accrued Insurance Reserves (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounts Payable and Accrued Liabilities [Abstract]
Included in other current liabilities	$ 1,317	$ 1,379
Included in other long-term liabilities	6,788	3,754
Total	$ 8,105	$ 5,133

Commitments and Contingencies - Schedule of Insurance Receivable for Claims (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Insurance receivable for claims under a fully insured policy	$ 2,013
Insurance receivable for claims that exceeded the stop loss limit	821	$ 677
Total insurance receivables included in other non-current assets	$ 2,834	$ 677

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Commitments And Contingencies Disclosure [Line Items]
Capital lease assets, gross	$ 65,562		$ 65,562		$ 65,238
Assets fully depreciated			19,395		20,499
Capital leased assets, net book value	24,043		24,043		28,754
Accumulated depreciation	41,519		41,519		$ 36,484
Actual purchases made under contract	$ 18,520	$ 16,519	$ 49,656	$ 37,359
Contract One [Member]
Commitments And Contingencies Disclosure [Line Items]
Extended term of contract			Dec. 31, 2015
Contract Two [Member]
Commitments And Contingencies Disclosure [Line Items]
Extended term of contract			Aug. 31, 2017
Minimum [Member]
Commitments And Contingencies Disclosure [Line Items]
Estimated life of capital lease			4 years
Noncancellable operating leases, renewal period			1 year
Maximum [Member]
Commitments And Contingencies Disclosure [Line Items]
Estimated life of capital lease			6 years
Noncancellable operating leases, renewal period			5 years

Commitments and Contingencies - Future Minimum Lease Payments Under Noncancellable Operating Leases (Detail) $ in Thousands	Sep. 30, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Remainder of 2015	$ 152
2016	593
2017	366
2018	155
2019	0
Thereafter	$ 0

Business Combinations - Additional Information (Detail) $ in Thousands								3 Months Ended		9 Months Ended
	Aug. 10, 2015 USD ($)	Jul. 01, 2015 USD ($)	Jun. 01, 2015 USD ($)	Apr. 06, 2015 USD ($)	Mar. 12, 2015 USD ($)	Aug. 11, 2014 USD ($)	Mar. 24, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Business	Sep. 30, 2014 USD ($) Business
Business Acquisition [Line Items]
Business combinations \| Business										5	2
Goodwill acquired expected to be deductible for tax purposes								$ 20,010		$ 20,010
Purchase price paid in cash										71,040	$ 3,313
Seller obligations in connection with acquisition of businesses										12,364	454
Revenue								181,579	$ 140,456	471,220	372,750
Net income (loss)								9,481	6,196	17,230	8,876
Insurance receivable for claims under a fully insured policy								2,013		2,013
Amortization expense of intangible assets								1,817	693	4,091	2,104
Income tax expense (benefit)								4,869	3,629	9,612	5,462
2014 Acquisitions [Member]
Business Acquisition [Line Items]
Purchase price paid in cash							$ 2,006
Seller obligations in connection with acquisition of businesses							$ 279
Revenue									3,510		6,456
Net income (loss)									405		591
BDI Insulation [Member]
Business Acquisition [Line Items]
Seller obligations in connection with acquisition of businesses										5,765
Ownership percentage acquired					100.00%
Business combination, amount for goodwill and seller obligations increased during period										300
Increase in goodwill										700
Increase in purchase price								300		300
Indemnification asset associated with the acquisition								1,723		1,723
2015 Acquisitions [Member]
Business Acquisition [Line Items]
Purchase price paid in cash					$ 30,680
Seller obligations in connection with acquisition of businesses					$ 5,765					12,364
Revenue								10,342		22,471
Net income (loss)								572		1,619
U.S. Insulation [Member]
Business Acquisition [Line Items]
Ownership percentage acquired							100.00%
Combined Business Acquisitions [Member]
Business Acquisition [Line Items]
Seller obligations in connection with acquisition of businesses											454
Amortization expense of intangible assets								288	1,433	2,249	4,338
Income tax expense (benefit)								(125)	451	274	911
Transaction costs								958		958
CQ Insulation [Member]
Business Acquisition [Line Items]
Purchase price paid in cash				$ 5,045
Seller obligations in connection with acquisition of businesses				$ 2,467
Ownership percentage acquired				100.00%
Revenue								2,689		5,394
Net income (loss)								197		461
Business combination, amount for goodwill and seller obligations increased during period										500
Increase in purchase price								500		500
Layman Brothers Contracting [Member]
Business Acquisition [Line Items]
Purchase price paid in cash			$ 9,025
Seller obligations in connection with acquisition of businesses			$ 663
Revenue								3,695		4,912
Net income (loss)								286		391
EcoLogic Energy Solutions [Member]
Business Acquisition [Line Items]
Purchase price paid in cash		$ 3,015
Seller obligations in connection with acquisition of businesses		$ 550
Revenue								1,778		1,778
Net income (loss)								(36)		(36)
Eastern Contractor Services [Member]
Business Acquisition [Line Items]
Purchase price paid in cash	$ 24,199
Seller obligations in connection with acquisition of businesses	$ 2,919									2,919
Ownership percentage acquired	100.00%
Revenue								2,953		2,953
Net income (loss)								$ 253		$ 253
Marv's Insulation [Member]
Business Acquisition [Line Items]
Purchase price paid in cash						$ 1,360
Seller obligations in connection with acquisition of businesses						$ 175
Ownership percentage acquired						100.00%
Revenue									480		480
Net income (loss)									$ 13		$ 13

Business Combinations - Summary of Estimated Purchase Price Allocations for Acquisitions (Detail) - USD ($) $ in Thousands			9 Months Ended
	Aug. 10, 2015	Mar. 12, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill			$ 85,854	$ 51,286	$ 53,393	$ 49,328
Seller obligations			12,364	454
BDI Insulation [Member]
Business Acquisition [Line Items]
Cash			661
Accounts receivable			4,735
Inventories			980
Other current assets			368
Property and equipment, net			1,006
Intangibles, net			21,280
Goodwill			15,541
Other non-current assets			3,736
Accounts payable and other current liabilities			(3,303)
Deferred income tax liabilities			(4,823)
Other long-term liabilities			(3,736)
Total purchase price			36,445
Seller obligations			5,765
Cash paid			30,680
Total purchase price			36,445
Eastern Contractor Services [Member]
Business Acquisition [Line Items]
Cash			163
Accounts receivable			2,772
Inventories			335
Other current assets			204
Property and equipment, net			1,364
Intangibles, net			13,871
Goodwill			9,831
Other non-current assets			339
Accounts payable and other current liabilities			(1,677)
Long-term debt			(82)
Other long-term liabilities			(2)
Total purchase price			27,118
Seller obligations	$ 2,919		2,919
Cash paid			24,199
Total purchase price			27,118
Other [Member]
Business Acquisition [Line Items]
Cash			100
Accounts receivable			3,765
Inventories			538
Other current assets			49
Property and equipment, net			1,329
Intangibles, net			11,507
Goodwill			6,989
Other non-current assets			56
Accounts payable and other current liabilities			(3,330)
Other long-term liabilities			(238)
Total purchase price			20,765
Seller obligations			3,680
Cash paid			17,085
Total purchase price			20,765
2015 Acquisitions [Member]
Business Acquisition [Line Items]
Cash			924
Accounts receivable			11,272
Inventories			1,853
Other current assets			135
Property and equipment, net			3,699
Intangibles, net			46,658
Goodwill			32,361
Other non-current assets			4,131
Accounts payable and other current liabilities			(7,824)
Deferred income tax liabilities			(4,823)
Long-term debt			(82)
Other long-term liabilities			(3,976)
Total purchase price			84,328
Seller obligations		$ 5,765	12,364
Cash paid			71,964
Total purchase price			$ 84,328
Combined Business Acquisitions [Member]
Business Acquisition [Line Items]
Cash				53
Accounts receivable				1,496
Inventories				262
Other current assets				123
Property and equipment, net				554
Intangibles, net				1,561
Goodwill				1,958
Accounts payable and other current liabilities				(1,727)
Deferred income tax liabilities				(460)
Total purchase price				3,820
Seller obligations				454
Cash paid				3,366
Total purchase price				$ 3,820

Business Combinations - Estimates of Acquired Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Fair Value	$ 29,958	$ 1,007
Weighted Average Estimated Useful Life (yrs)	8 years	10 years
Trademarks and Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Fair Value	$ 12,882	$ 399
Weighted Average Estimated Useful Life (yrs)	15 years	15 years
Covenants not-to-compete [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Fair Value	$ 3,818	$ 155
Weighted Average Estimated Useful Life (yrs)	5 years	5 years

Business Combinations - Pro Forma Results of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Net revenue	$ 183,355	$ 146,287	$ 499,095	$ 390,112
Net income	9,349	6,990	17,878	10,330
Net income (loss) attributable to common stockholders	$ 9,349	$ 6,990	$ 17,878	$ (9,567)
Basic net income (loss) per share attributable to common stockholders	$ 0.30	$ 0.22	$ 0.57	$ (0.32)
Diluted net income (loss) per share attributable to common stockholders	$ 0.30	$ 0.22	$ 0.57	$ (0.32)
Redeemable Preferred Stock [Member]
Business Acquisition [Line Items]
Accretion charges on Redeemable Preferred Stock				$ (19,897)

Income (Loss) Per Common Share - Summary of Diluted Income (Loss) Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net income (loss) attributable to common stockholders - basic and diluted	$ 9,481	$ 6,196	$ 17,230	$ (11,021)
Weighted average number of common shares outstanding	31,237,275	31,839,087	31,318,682	29,539,592
Dilutive effect of outstanding restricted stock awards after application of the Treasury Stock Method	51,334	0	24,548	0
Diluted shares outstanding	31,288,609	31,839,087	31,343,230	29,539,592
Basic income (loss) per share attributable to common stockholders	$ 0.30	$ 0.19	$ 0.55	$ (0.37)
Diluted income (loss) per share attributable to common stockholders	$ 0.30	$ 0.19	$ 0.55	$ (0.37)

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References + Details

Income (Loss) Per Common Share - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Dilutive common shares	51,334	0	24,548	0