XML 123 R104.htm IDEA: XBRL DOCUMENT v3.20.4
SEGMENT REPORTING - Summary of Financial Information by Reportable Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]                      
Revenues                 $ 774,584 $ 743,290 $ 660,660
Depreciation and amortization                 90,782 79,790 70,508
Operating income (loss) $ 14,208 $ 20,633 $ 17,444 $ 7,012 $ 14,604 $ 18,485 $ 15,544 $ 4,442 59,297 53,075 39,733
Interest expense, net                 22,068 24,735 26,021
Capital expenditures                 108,108 103,165 73,232
Goodwill 194,901       185,819       194,901 185,819 162,734
Total assets 1,193,898       932,182       1,193,898 932,182 732,410
Eastern                      
Segment Reporting Information [Line Items]                      
Goodwill 30,873       30,720       30,873 30,720 28,154
Western                      
Segment Reporting Information [Line Items]                      
Goodwill 149,984       141,055       149,984 141,055 120,536
Resource Solutions                      
Segment Reporting Information [Line Items]                      
Goodwill 14,044       14,044       14,044 14,044 14,044
Operating Segments | Eastern                      
Segment Reporting Information [Line Items]                      
Revenues                 220,285 219,475 206,473
Depreciation and amortization                 25,669 24,322 26,538
Operating income (loss)                 11,635 9,503 4,684
Interest expense, net                 275 218 12
Capital expenditures                 29,292 24,499 23,393
Goodwill 30,873       30,720       30,873 30,720 28,154
Total assets 223,492       207,060       223,492 207,060 184,679
Operating Segments | Western                      
Segment Reporting Information [Line Items]                      
Revenues                 357,989 345,212 290,358
Depreciation and amortization                 56,457 47,650 35,827
Operating income (loss)                 42,688 42,019 41,631
Interest expense, net                 141 63 405
Capital expenditures                 71,989 63,547 41,821
Goodwill 149,984       141,055       149,984 141,055 120,536
Total assets 642,003       599,047       642,003 599,047 430,045
Operating Segments | Resource Solutions                      
Segment Reporting Information [Line Items]                      
Revenues                 196,310 178,603 163,829
Depreciation and amortization                 6,279 5,342 5,697
Operating income (loss)                 7,357 5,807 (1,916)
Interest expense, net                 201 156 (3,104)
Capital expenditures                 2,477 12,475 5,360
Goodwill 14,044       14,044       14,044 14,044 14,044
Total assets 88,512       90,660       88,512 90,660 79,403
Inter-company revenue                      
Segment Reporting Information [Line Items]                      
Revenues                 (180,435) (163,920) (142,790)
Inter-company revenue | Eastern                      
Segment Reporting Information [Line Items]                      
Revenues                 (53,102) (54,738) (52,866)
Inter-company revenue | Western                      
Segment Reporting Information [Line Items]                      
Revenues                 (116,658) (98,420) (82,240)
Inter-company revenue | Resource Solutions                      
Segment Reporting Information [Line Items]                      
Revenues                 (10,675) (10,762) (7,684)
Corporate Entities                      
Segment Reporting Information [Line Items]                      
Revenues                 0 0 0
Depreciation and amortization                 2,377 2,476 2,446
Operating income (loss)                 (2,383) (4,254) (4,666)
Interest expense, net                 21,451 24,298 28,708
Capital expenditures                 4,350 2,644 2,658
Goodwill 0       0       0 0 0
Total assets $ 239,891       $ 35,415       $ 239,891 $ 35,415 $ 38,283