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Revenue Recognition (Tables) | 9 Months Ended
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Sep. 30, 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 September 30, |  |  | Nine months ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Residential new construction |  | $ | 315,434 |  |  |  | 75 | % |  | $ | 297,003 |  |  |  | 75 | % |  | $ | 912,095 |  |  |  | 75 | % |  | $ | 840,806 |  |  |  | 76 | %
Repair and remodel |  |  | 28,625 |  |  |  | 7 | % |  |  | 25,029 |  |  |  | 6 | % |  |  | 75,702 |  |  |  | 6 | % |  |  | 71,254 |  |  |  | 6 | %
Commercial |  |  | 76,427 |  |  |  | 18 | % |  |  | 74,417 |  |  |  | 19 | % |  |  | 223,959 |  |  |  | 19 | % |  |  | 198,338 |  |  |  | 18 | %
Net revenues |  | $ | 420,486 |  |  |  | 100 | % |  | $ | 396,449 |  |  |  | 100 | % |  | $ | 1,211,756 |  |  |  | 100 | % |  | $ | 1,110,398 |  |  |  | 100 | %
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Insulation |  | $ | 268,292 |  |  |  | 64 | % |  | $ | 253,311 |  |  |  | 64 | % |  | $ | 779,045 |  |  |  | 64 | % |  | $ | 710,005 |  |  |  | 64 | %
Waterproofing |  |  | 33,272 |  |  |  | 8 | % |  |  | 32,781 |  |  |  | 8 | % |  |  | 89,855 |  |  |  | 7 | % |  |  | 84,024 |  |  |  | 8 | %
Shower doors, shelving and mirrors |  |  | 29,282 |  |  |  | 7 | % |  |  | 27,011 |  |  |  | 7 | % |  |  | 85,199 |  |  |  | 7 | % |  |  | 77,828 |  |  |  | 7 | %
Garage doors |  |  | 24,001 |  |  |  | 6 | % |  |  | 22,336 |  |  |  | 6 | % |  |  | 68,655 |  |  |  | 6 | % |  |  | 65,790 |  |  |  | 6 | %
Rain gutters |  |  | 17,295 |  |  |  | 4 | % |  |  | 13,366 |  |  |  | 3 | % |  |  | 41,942 |  |  |  | 4 | % |  |  | 37,561 |  |  |  | 3 | %
Window blinds |  |  | 12,166 |  |  |  | 3 | % |  |  | 10,615 |  |  |  | 3 | % |  |  | 34,651 |  |  |  | 3 | % |  |  | 30,780 |  |  |  | 3 | %
Other building products |  |  | 36,178 |  |  |  | 8 | % |  |  | 37,029 |  |  |  | 9 | % |  |  | 112,409 |  |  |  | 9 | % |  |  | 104,410 |  |  |  | 9 | %
Net revenues |  | $ | 420,486 |  |  |  | 100 | % |  | $ | 396,449 |  |  |  | 100 | % |  | $ | 1,211,756 |  |  |  | 100 | % |  | $ | 1,110,398 |  |  |  | 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):
|  | September 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Contract assets |  | $ | 22,328 |  |  | $ | 22,138 |
Contract liabilities |  |  | (11,237 | ) |  |  | (8,888 | )
Schedule of Cost and Estimated Earnings on Uncompleted Contracts | Uncompleted contracts were as follows (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Costs incurred on uncompleted contracts |  | $ | 136,522 |  |  | $ | 110,818 |
Estimated earnings |  |  | 75,338 |  |  |  | 61,185 |
Total |  |  | 211,860 |  |  |  | 172,003 |
Less: Billings to date |  |  | 196,640 |  |  |  | 155,599 |
Net under billings |  | $ | 15,220 |  |  | $ | 16,404 |
Schedule of Net Under (Over) Billings | Net under billings were as follows (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Costs and estimated earnings in excess of billings on uncompleted contracts (contract assets) |  | $ | 22,328 |  |  | $ | 22,138 |
Billings in excess of costs and estimated earnings on uncompleted contracts (contract liabilities) |  |  | (7,108 | ) |  |  | (5,734 | )
Net under billings |  | $ | 15,220 |  |  | $ | 16,404 |

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