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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Segment Reporting [Abstract] |
Details of Segment Information | The below segment data for the year ended December 31, 2017, includes data for Trex Residential Products for the year ended December 31, 2017, and data for Trex Commercial Products from the date of the acquisition of SC Company through December 31, 2017 (in thousands):
|  | 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, 2017 |
|  | Residential |  |  | 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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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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