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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2018
Segment Reporting [Abstract] |
Details of Segment Information | The below segment data includes data for Trex Residential for the years ended December 31, 2018 and December 31, 2017, and data for Trex Commercial for the year ended December 31, 2018, and for the year ended December 31, 2017 from the date of the acquisition of SC Company through December 31, 2017 (in thousands):
|  | Year ended December 31, 2018 |
|  | Trex Residential |  |  | Trex Commercial |  |  | Total |
Net sales |  | $ | 613,229 |  |  | $ | 71,021 |  |  | $ | 684,250 |
Net income |  | $ | 131,823 |  |  | $ | 2,749 |  |  | $ | 134,572 |
EBITDA |  | $ | 186,268 |  |  | $ | 6,868 |  |  | $ | 193,136 |
Depreciation and amortization |  | $ | 13,216 |  |  | $ | 3,251 |  |  | $ | 16,467 |
Income tax expense |  | $ | 41,421 |  |  | $ | 868 |  |  | $ | 42,289 |
Capital expenditures |  | $ | 31,392 |  |  | $ | 2,424 |  |  | $ | 33,816 |
Total assets |  | $ | 380,682 |  |  | $ | 84,440 |  |  | $ | 465,122 |
|  | Year ended December 31, 2017 |
|  | Residential |  |  | Commercial |  |  | Total |
Net sales |  | $ | 543,346 |  |  | $ | 21,807 |  |  | $ | 565,153 |
Net income (loss) |  | $ | 97,412 |  |  | $ | (2,284 | ) |  | $ | 95,128 |
EBITDA |  | $ | 160,382 |  |  | $ | (1,272 | ) |  | $ | 159,110 |
Depreciation and amortization |  | $ | 14,598 |  |  | $ | 2,132 |  |  | $ | 16,730 |
Income tax expense (benefit) |  | $ | 47,911 |  |  | $ | (1,120 | ) |  | $ | 46,791 |
Capital expenditures |  | $ | 14,989 |  |  | $ | 51 |  |  | $ | 15,040 |
Total assets |  | $ | 247,817 |  |  | $ | 78,410 |  |  | $ | 326,227 |
Schedule of Reconciliation of Net Income to EBITDA | Reconciliation of net income to EBITDA:
|  | Year Ended December 31, 2018 |
|  | Residential |  |  | Commercial |  |  | Total |
Net income |  | $ | 131,823 |  |  | $ | 2,749 |  |  | $ | 134,572 |
Interest (income) expense, net |  |  | (192 | ) |  |  | — |  |  |  | (192 | )
Taxes |  |  | 41,421 |  |  |  | 868 |  |  |  | 42,289 |
Depreciation and amortization |  |  | 13,216 |  |  |  | 3,251 |  |  |  | 16,467 |
EBITDA |  | $ | 186,268 |  |  | $ | 6,868 |  |  | $ | 193,136 |
Reconciliation of net income to EBITDA:
|  | Year Ended December 31, 2017 |
|  | Trex Residential |  |  | Trex Commercial |  |  | Total |
Net income (loss) |  | $ | 97,412 |  |  | $ | (2,284 | ) |  | $ | 95,128 |
Interest |  |  | 461 |  |  |  | — |  |  |  | 461 |
Taxes |  |  | 47,911 |  |  |  | (1,120 | ) |  |  | 46,791 |
Depreciation and amortization |  |  | 14,598 |  |  |  | 2,132 |  |  |  | 16,730 |
EBITDA |  | $ | 160,382 |  |  | $ | (1,272 | ) |  | $ | 159,110 |

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