Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Summary of Revenues Disaggregated by End Market and Product

The following tables present our revenues disaggregated by end market and product (in thousands):

	Three months ended March 31,
	2020				2019
Residential new construction	$	298,340	75	%	$	261,310	77	%
Repair and remodel		24,043	6	%		21,521	6	%
Commercial		74,948	19	%		59,304	17	%
Net revenues	$	397,331	100	%	$	342,135	100	%

	Three months ended March 31,
	2020				2019
Insulation	$	259,701	65	%	$	221,223	65	%
Waterproofing		28,505	7	%		22,385	7	%
Shower doors, shelving and mirrors		27,015	7	%		23,917	7	%
Garage doors		22,987	6	%		21,672	6	%
Rain gutters		11,576	3	%		11,199	3	%
Window blinds		10,931	3	%		9,384	3	%
Other building products		36,616	9	%		32,355	9	%
Net revenues	$	397,331	100	%	$	342,135	100	%

Summary of Assets and Liabilities Related to Uncompleted Contracts and Customer Deposits

Contract assets and liabilities related to our uncompleted contracts and customer deposits were as follows (in thousands):

	March 31, 2020			December 31, 2019
Contract assets	$	22,954		$	22,138
Contract liabilities		(9,107	)		(8,888	)

Schedule of Cost and Estimated Earnings on Uncompleted Contracts

Uncompleted contracts were as follows (in thousands):

	March 31, 2020		December 31, 2019
Costs incurred on uncompleted contracts	$	118,460	$	110,818
Estimated earnings		64,714		61,185
Total		183,174		172,003
Less: Billings to date		166,092		155,599
Net under billings	$	17,082	$	16,404

Schedule of Net Under (Over) Billings

Net under billings were as follows (in thousands):

	March 31, 2020			December 31, 2019
Costs and estimated earnings in excess of billings on uncompleted contracts (contract assets)	$	22,954		$	22,138
Billings in excess of costs and estimated earnings on uncompleted contracts (contract liabilities)		(5,872	)		(5,734	)
Net under billings	$	17,082		$	16,404