Organization - Additional Information (Detail) $ / shares in Units, $ in Thousands				12 Months Ended
	Jun. 17, 2014 USD ($) $ / shares shares	Feb. 19, 2014 USD ($) $ / shares shares	Feb. 10, 2014 shares	Dec. 31, 2016 USD ($) Location Segment $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($)
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				32,135,176	31,982,888
Common stock, shares outstanding				31,484,774	31,366,328
Proceeds from initial public offering of common stock, net of costs | $						$ 87,645
Payment to redeem redeemable preferred stock | $						75,735
Preferred stock, par value | $ / shares				$ 0.01	$ 0.01
Payment of revolving credit facility | $				$ 37,975	$ 149,350
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		8,600,000
Proceeds from initial public offering of common stock, net of costs | $		$ 94,200
Common stock, price per share | $ / shares		$ 11.00
Proceeds from IPO used to pay underwriting fees | $		$ 6,600
Payment to redeem redeemable preferred stock | $		75,700
IPO [Member] | Revolving Credit Facility [Member]
Basis Of Presentation And Organization [Line Items]
Payment of revolving credit facility | $		$ 11,900
Secondary Public Offering [Member]
Basis Of Presentation And Organization [Line Items]
Secondary Public Offering, Shares	9,300,000
Secondary Public Offering, Share Price | $ / shares	$ 12.50
Proceeds from secondary public offering of common stock, net of costs | $	$ 14,400
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	1,200,000
Shares Prior to Stock Split [Member]
Basis Of Presentation And Organization [Line Items]
Common stock, shares issued			1,100,000
Common stock, shares outstanding			1,100,000
Stock Split [Member]
Basis Of Presentation And Organization [Line Items]
Common stock, shares issued			22,000,000
Common stock, shares outstanding			22,000,000
Series A Preferred Stock [Member] | IPO [Member]
Basis Of Presentation And Organization [Line Items]
Preferred stock, par value | $ / shares		$ 0.01
Revenue [Member] | Customer Concentration Risk [Member]
Basis Of Presentation And Organization [Line Items]
Net revenues percentage				100.00%	100.00%	100.00%
Revenue [Member] | Customer Concentration Risk [Member] | Residential New Construction and Repair and Remodel [Member]
Basis Of Presentation And Organization [Line Items]
Net revenues percentage				88.00%	89.00%	89.00%
Revenue [Member] | Customer Concentration Risk [Member] | Commercial New Construction and Repair and Remodel [Member]
Basis Of Presentation And Organization [Line Items]
Net revenues percentage				12.00%	11.00%	11.00%
UNITED STATES
Basis Of Presentation And Organization [Line Items]
Number of locations the company operates | Location				100