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v3.19.3

Segment Information - Details of Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net sales | $ 194,551 |  |  | $ 166,380 |  |  | $ 580,575 | $ 544,279 |
Net income | 41,976 | $ 35,710 | $ 31,555 | 29,471 | $ 42,820 | $ 37,110 | 109,241 | 109,401 |
Depreciation and amortization |  |  |  |  |  |  | 10,477 | 13,164 |
Income tax expense | 13,790 |  |  | 9,829 |  |  | 33,520 | 34,657 |
Total assets | 570,770 |  |  |  |  |  | 570,770 |  | $ 465,122
Residential [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net sales | 182,775 |  |  | 146,998 |  |  | 541,722 | 491,399 |
Commercial [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net sales | 11,776 |  |  | 19,382 |  |  | 38,853 | 52,880 |
Operating Segments [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net sales | 194,551 |  |  | 166,380 |  |  | 580,575 | 544,279 |
Net income | 41,976 |  |  | 29,471 |  |  | 109,241 | 109,401 |
EBITDA | 58,609 |  |  | 42,847 |  |  | 152,340 | 157,502 |
Depreciation and amortization | 3,587 |  |  | 3,769 |  |  | 10,380 | 13,067 |
Income tax expense | 13,790 |  |  | 9,829 |  |  | 33,520 | 34,657 |
Capital expenditures | 17,865 |  |  | 3,914 |  |  | 36,926 | 15,324 |
Total assets | 570,770 |  |  | 434,909 |  |  | 570,770 | 434,909 |
Operating Segments [Member] | Residential [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net sales | 182,775 |  |  | 146,998 |  |  | 541,722 | 491,399 |
Net income | 41,381 |  |  | 27,755 |  |  | 107,859 | 107,449 |
EBITDA | 57,639 |  |  | 40,067 |  |  | 150,058 | 151,839 |
Depreciation and amortization | 3,422 |  |  | 3,275 |  |  | 9,947 | 10,004 |
Income tax expense | 13,580 |  |  | 9,259 |  |  | 33,046 | 34,009 |
Capital expenditures | 17,766 |  |  | 3,693 |  |  | 35,584 | 14,274 |
Total assets | 482,825 |  |  | 352,014 |  |  | 482,825 | 352,014 |
Operating Segments [Member] | Commercial [Member] |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net sales | 11,776 |  |  | 19,382 |  |  | 38,853 | 52,880 |
Net income | 595 |  |  | 1,716 |  |  | 1,382 | 1,952 |
EBITDA | 970 |  |  | 2,780 |  |  | 2,282 | 5,663 |
Depreciation and amortization | 165 |  |  | 494 |  |  | 433 | 3,063 |
Income tax expense | 210 |  |  | 570 |  |  | 474 | 648 |
Capital expenditures | 99 |  |  | 221 |  |  | 1,342 | 1,050 |
Total assets | $ 87,945 |  |  | $ 82,895 |  |  | $ 87,945 | $ 82,895 |

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