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v3.19.3.a.u2

SEGMENT REPORTING - Summary of Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 193,619 | $ 198,547 | $ 187,459 | $ 163,664 | $ 174,724 | $ 172,832 | $ 165,649 | $ 147,455 | $ 743,290 | $ 660,660 | $ 599,309
Depreciation and amortization |  |  |  |  |  |  |  |  | 79,790 | 70,508 | 62,102
Operating income (loss) | 14,604 | $ 18,485 | $ 15,544 | $ 4,442 | (5,138) | $ 28,884 | $ 15,149 | $ 838 | 53,075 | 39,733 | (12,583)
Goodwill | 185,819 |  |  |  | 162,734 |  |  |  | 185,819 | 162,734 | 122,605
Total assets | 932,182 |  |  |  | 732,410 |  |  |  | 932,182 | 732,410 |
Eastern |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 30,720 |  |  |  | 28,154 |  |  |  | 30,720 | 28,154 | 19,192
Western |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 141,055 |  |  |  | 120,536 |  |  |  | 141,055 | 120,536 | 89,369
Recycling |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 12,315 |  |  |  | 12,315 |  |  |  | 12,315 | 12,315 | 12,315
Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 1,729 |  |  |  | 1,729 |  |  |  | 1,729 | 1,729 | 1,729
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 743,290 | 660,660 | 599,309
Depreciation and amortization |  |  |  |  |  |  |  |  | 79,790 | 70,508 | 62,102
Operating income (loss) |  |  |  |  |  |  |  |  | 53,075 | 39,733 | (12,583)
Interest expense, net |  |  |  |  |  |  |  |  | 24,735 | 26,021 | 24,887
Capital expenditures |  |  |  |  |  |  |  |  | 103,165 | 73,232 | 64,862
Goodwill | 185,819 |  |  |  | 162,734 |  |  |  | 185,819 | 162,734 | 122,605
Total assets | 932,182 |  |  |  | 732,410 |  |  |  | 932,182 | 732,410 | 614,949
Operating Segments | Eastern |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 219,475 | 206,473 | 181,170
Depreciation and amortization |  |  |  |  |  |  |  |  | 24,322 | 26,538 | 23,815
Operating income (loss) |  |  |  |  |  |  |  |  | 9,503 | 4,684 | (51,867)
Interest expense, net |  |  |  |  |  |  |  |  | 218 | 12 | 3
Capital expenditures |  |  |  |  |  |  |  |  | 24,499 | 23,393 | 17,153
Goodwill | 30,720 |  |  |  | 28,154 |  |  |  | 30,720 | 28,154 | 19,192
Total assets | 207,060 |  |  |  | 184,679 |  |  |  | 207,060 | 184,679 | 157,248
Operating Segments | Western |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 343,399 | 286,262 | 250,771
Depreciation and amortization |  |  |  |  |  |  |  |  | 47,666 | 35,843 | 30,766
Operating income (loss) |  |  |  |  |  |  |  |  | 41,883 | 41,529 | 35,035
Interest expense, net |  |  |  |  |  |  |  |  | 63 | (148) | (220)
Capital expenditures |  |  |  |  |  |  |  |  | 63,540 | 41,850 | 42,082
Goodwill | 141,054 |  |  |  | 120,536 |  |  |  | 141,054 | 120,536 | 89,369
Total assets | 598,910 |  |  |  | 428,934 |  |  |  | 598,910 | 428,934 | 344,324
Operating Segments | Recycling |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 42,820 | 42,191 | 62,307
Depreciation and amortization |  |  |  |  |  |  |  |  | 4,009 | 4,345 | 4,125
Operating income (loss) |  |  |  |  |  |  |  |  | (814) | (7,805) | 2,805
Interest expense, net |  |  |  |  |  |  |  |  | 160 | 140 | 143
Capital expenditures |  |  |  |  |  |  |  |  | 9,719 | 4,476 | 2,006
Goodwill | 12,316 |  |  |  | 12,315 |  |  |  | 12,316 | 12,315 | 12,315
Total assets | 56,688 |  |  |  | 48,629 |  |  |  | 56,688 | 48,629 | 48,612
Operating Segments | Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 137,596 | 125,734 | 105,061
Depreciation and amortization |  |  |  |  |  |  |  |  | 3,793 | 3,782 | 3,396
Operating income (loss) |  |  |  |  |  |  |  |  | 2,503 | 1,325 | 1,444
Interest expense, net |  |  |  |  |  |  |  |  | 24,294 | 26,017 | 24,961
Capital expenditures |  |  |  |  |  |  |  |  | 5,407 | 3,513 | 3,621
Goodwill | 1,729 |  |  |  | 1,729 |  |  |  | 1,729 | 1,729 | 1,729
Total assets | $ 69,524 |  |  |  | $ 70,168 |  |  |  | 69,524 | 70,168 | 64,765
Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (163,920) | (142,789) | (123,972)
Interest expense, net |  |  |  |  |  |  |  |  |  |  | 0
Eliminations | Eastern |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (54,738) | (52,866) | (50,335)
Eliminations | Western |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (97,339) | (81,515) | (71,510)
Eliminations | Recycling |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (9,400) | (6,426) | (246)
Eliminations | Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ (2,443) | $ (1,982) | $ (1,881)

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