Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2020

Revenue Recognition

Schedule of revenues disaggregated by market and product

	Three Months Ended June 30,
	2020								2019
		Installation		Distribution		Elims		Total		Installation		Distribution		Elims		Total
Residential	$	370,969	$	163,615	$	(29,050)	$	505,534	$	373,945	$	159,774	$	(29,060)	$	504,659
Commercial		95,600		52,721		(7,756)		140,565		109,083		53,713		(7,343)		155,453
Net sales	$	466,569	$	216,336	$	(36,806)	$	646,099	$	483,028	$	213,487	$	(36,403)	$	660,112

	Six Months Ended June 30,
	2020								2019
		Installation		Distribution		Elims		Total		Installation		Distribution		Elims		Total
Residential	$	744,250	$	326,071	$	(58,055)	$	1,012,266	$	723,818	$	313,552	$	(56,576)	$	980,794
Commercial		198,192		104,487		(15,618)		287,061		208,592		104,399		(14,343)		298,648
Net sales	$	942,442	$	430,558	$	(73,673)	$	1,299,327	$	932,410	$	417,951	$	(70,919)	$	1,279,442

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

	Three Months Ended June 30,
	2020								2019
		Installation		Distribution		Elims		Total		Installation		Distribution		Elims		Total
Insulation and accessories	$	360,999	$	175,559	$	(29,548)	$	507,010	$	377,541	$	174,024	$	(28,182)	$	523,383
Glass and windows		39,371		—		—		39,371		39,086		—		—		39,086
Gutters		21,577		25,979		(5,687)		41,869		21,569		23,066		(6,294)		38,341
All other		44,622		14,798		(1,571)		57,849		44,832		16,397		(1,927)		59,302
Net sales	$	466,569	$	216,336	$	(36,806)	$	646,099	$	483,028	$	213,487	$	(36,403)	$	660,112

	Six Months Ended June 30,
	2020								2019
		Installation		Distribution		Elims		Total		Installation		Distribution		Elims		Total
Insulation and accessories	$	730,995	$	355,808	$	(59,607)	$	1,027,196	$	727,496	$	343,606	$	(56,016)	$	1,015,086
Glass and windows		80,690		—		—		80,690		76,954		—		—		76,954
Gutters		40,506		45,970		(11,074)		75,402		40,492		41,651		(11,881)		70,262
All other		90,251		28,780		(2,992)		116,039		87,468		32,694		(3,022)		117,140
Net sales	$	942,442	$	430,558	$	(73,673)	$	1,299,327	$	932,410	$	417,951	$	(70,919)	$	1,279,442

Schedule of contract assets and contract liabilities with customers

The following table represents our contract assets and contract liabilities with customers, in thousands:

	Included in Line Item on	As of
	Condensed Consolidated	June 30,		December 31,
	Balance Sheets	2020		2019
Contract Assets:
Receivables, unbilled	Receivables, net	$	53,120	$	57,153
Contract Liabilities:
Deferred revenue	Accrued liabilities	$	15,719	$	16,139