SEGMENT REPORTING - Summary of Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 352,735	$ 295,268	$ 904,975	$ 812,962
Depreciation and amortization	47,736	32,527	116,095	93,106
Operating income (loss)	34,188	36,288	67,067	78,175
Total assets	2,498,015	1,399,347	2,498,015	1,399,347	$ 1,449,215
Operating | Eastern
Segment Reporting Information [Line Items]
Revenues	97,507	93,137	274,740	251,720
Depreciation and amortization	12,381	11,907	36,431	34,895
Operating income (loss)	11,160	10,061	20,819	13,981
Total assets	417,138	361,950	417,138	361,950
Operating | Western
Segment Reporting Information [Line Items]
Revenues	136,019	121,903	371,281	332,626
Depreciation and amortization	20,976	16,778	57,559	47,376
Operating income (loss)	20,462	22,405	51,880	51,565
Total assets	986,659	725,232	986,659	725,232
Operating | Mid-Atlantic
Segment Reporting Information [Line Items]
Revenues	43,722	0	43,722	0
Depreciation and amortization	10,182	0	10,182	0
Operating income (loss)	(747)	0	(747)	0
Total assets	557,710	0	557,710	0
Operating | Resource Solutions
Segment Reporting Information [Line Items]
Revenues	75,487	80,228	215,232	228,616
Depreciation and amortization	3,452	3,138	9,618	9,011
Operating income (loss)	4,110	4,526	2,854	14,453
Total assets	242,413	189,854	242,413	189,854
Corporate Entities
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Depreciation and amortization	745	704	2,305	1,824
Operating income (loss)	(797)	(704)	(7,739)	(1,824)
Total assets	294,095	122,311	294,095	122,311
Inter-company revenues
Segment Reporting Information [Line Items]
Revenues	(75,602)	(65,309)	(204,238)	(177,202)
Inter-company revenues | Eastern
Segment Reporting Information [Line Items]
Revenues	(24,911)	(23,027)	(67,843)	(61,842)
Inter-company revenues | Western
Segment Reporting Information [Line Items]
Revenues	(46,307)	(40,703)	(125,208)	(112,687)
Inter-company revenues | Mid-Atlantic
Segment Reporting Information [Line Items]
Revenues	(212)	0	(212)	0
Inter-company revenues | Resource Solutions
Segment Reporting Information [Line Items]
Revenues	$ (4,172)	$ (1,579)	$ (10,975)	$ (2,673)