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SEGMENT REPORTING - Summary of Financial Information by Reportable Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Segment Reporting Information [Line Items]      
Revenues $ 234,027 $ 189,532  
Depreciation and amortization 29,428 22,682  
Operating income (loss) 10,168 12,009  
Total assets 1,306,971 1,194,246 $ 1,283,580
Operating | Eastern      
Segment Reporting Information [Line Items]      
Revenues 71,319 52,345  
Depreciation and amortization 11,450 6,622  
Operating income (loss) (2,229) 2,245  
Total assets 355,371 221,200  
Operating | Western      
Segment Reporting Information [Line Items]      
Revenues 95,839 85,764  
Depreciation and amortization 14,659 14,039  
Operating income (loss) 9,263 7,756  
Total assets 684,969 646,381  
Operating | Resource solutions      
Segment Reporting Information [Line Items]      
Revenues 66,869 51,423  
Depreciation and amortization 2,762 1,568  
Operating income (loss) 3,691 2,462  
Total assets 176,128 88,759  
Corporate entities      
Segment Reporting Information [Line Items]      
Revenues 0 0  
Depreciation and amortization 557 453  
Operating income (loss) (557) (454)  
Total assets 90,503 237,906  
Inter-company revenues      
Segment Reporting Information [Line Items]      
Revenues (49,939) (43,011)  
Inter-company revenues | Eastern      
Segment Reporting Information [Line Items]      
Revenues (16,668) (12,426)  
Inter-company revenues | Western      
Segment Reporting Information [Line Items]      
Revenues (32,493) (28,682)  
Inter-company revenues | Resource solutions      
Segment Reporting Information [Line Items]      
Revenues $ (778) $ (1,903)