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Revenue Recognition (Tables) | 3 Months Ended
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Mar. 31, 2019
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, |  |
|  | 2019 |  |  | 2018 |  |
Residential new construction |  | $ | 261,310 |  |  |  | 77 | % |  | $ | 229,642 |  |  |  | 76 | % |
Repair and remodel |  |  | 21,521 |  |  |  | 6 | % |  |  | 20,472 |  |  |  | 7 | % |
Commercial |  |  | 59,304 |  |  |  | 17 | % |  |  | 51,614 |  |  |  | 17 | % |
Net revenues |  | $ | 342,135 |  |  |  | 100 | % |  | $ | 301,728 |  |  |  | 100 | % |
|  | Three months ended March 31, |  |
|  | 2019 |  |  | 2018 |  |
Insulation |  | $ | 221,223 |  |  |  | 65 | % |  | $ | 202,275 |  |  |  | 67 | % |
Waterproofing |  |  | 22,385 |  |  |  | 7 | % |  |  | 22,606 |  |  |  | 7 | % |
Shower doors, shelving and mirrors |  |  | 23,917 |  |  |  | 7 | % |  |  | 20,260 |  |  |  | 7 | % |
Garage doors |  |  | 21,672 |  |  |  | 6 | % |  |  | 15,466 |  |  |  | 5 | % |
Rain gutters |  |  | 11,199 |  |  |  | 3 | % |  |  | 8,658 |  |  |  | 3 | % |
Window blinds |  |  | 9,384 |  |  |  | 3 | % |  |  | 5,306 |  |  |  | 2 | % |
Other building products |  |  | 32,355 |  |  |  | 9 | % |  |  | 27,157 |  |  |  | 9 | % |
Net revenues |  | $ | 342,135 |  |  |  | 100 | % |  | $ | 301,728 |  |  |  | 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, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
Contract assets |  | $ | 19,565 |  |  | $ | 15,092 |
Contract liabilities |  |  | (7,792 | ) |  |  | (7,468 | )
Schedule of Cost and Estimated Earnings on Uncompleted Contracts | Uncompleted contracts were as follows (in thousands):
|  | March 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
Costs incurred on uncompleted contracts |  | $ | 101,024 |  |  | $ | 114,826 |
Estimated earnings |  |  | 52,670 |  |  |  | 58,952 |
Total |  |  | 153,694 |  |  |  | 173,778 |
Less: Billings to date |  |  | 139,100 |  |  |  | 163,112 |
Net under (over) billings |  | $ | 14,594 |  |  | $ | 10,666 |
Schedule of Net Under (Over) Billings | Net under (over) billings were as follows (in thousands):
|  | March 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
Costs and estimated earnings in excess of billings on uncompleted contracts (contract assets) |  | $ | 19,565 |  |  | $ | 15,092 |
Billings in excess of costs and estimated earnings on uncompleted contracts (contract liabilities) |  |  | (4,971 | ) |  |  | (4,426 | )
Net under (over) billings |  | $ | 14,594 |  |  | $ | 10,666 |

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