XML 71 R60.htm IDEA: XBRL DOCUMENT v3.21.2
SEGMENT REPORTING - Summary of Financial Information by Reportable Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Segment Reporting Information [Line Items]          
Revenues $ 215,875 $ 188,767 $ 405,406 $ 371,676  
Depreciation and amortization 24,337 22,076 47,019 43,482  
Operating Income (Loss) 21,946 17,444 33,955 24,456  
Total assets 1,227,833 966,971 1,227,833 966,971 $ 1,193,898
Operating | Eastern          
Segment Reporting Information [Line Items]          
Revenues 61,058 53,336 113,403 103,479  
Depreciation and amortization 7,313 6,339 13,935 12,297  
Operating Income (Loss) 3,781 4,366 6,027 5,341  
Total assets 226,157 211,441 226,157 211,441  
Operating | Western          
Segment Reporting Information [Line Items]          
Revenues 98,852 87,286 184,616 172,491  
Depreciation and amortization 15,089 13,615 29,128 26,847  
Operating Income (Loss) 14,900 11,863 22,657 17,505  
Total assets 654,314 626,329 654,314 626,329  
Operating | Resource solutions          
Segment Reporting Information [Line Items]          
Revenues 55,965 48,145 107,387 95,706  
Depreciation and amortization 1,548 1,538 3,116 3,148  
Operating Income (Loss) 3,651 1,801 6,113 2,804  
Total assets 95,664 91,907 95,664 91,907  
Corporate entities          
Segment Reporting Information [Line Items]          
Revenues 0 0 0 0  
Depreciation and amortization 387 584 840 1,190  
Operating Income (Loss) (386) (586) (842) (1,194)  
Total assets 251,698 37,294 251,698 37,294  
Inter-company revenues          
Segment Reporting Information [Line Items]          
Revenues (50,971) (45,305) (93,982) (85,584)  
Inter-company revenues | Eastern          
Segment Reporting Information [Line Items]          
Revenues (16,128) (13,837) (28,554) (25,676)  
Inter-company revenues | Western          
Segment Reporting Information [Line Items]          
Revenues (33,566) (29,020) (62,248) (54,567)  
Inter-company revenues | Resource solutions          
Segment Reporting Information [Line Items]          
Revenues $ (1,277) $ (2,448) $ (3,180) $ (5,341)