INTANGIBLE ASSETS - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 214,095	$ 214,600
Accumulated Amortization	(124,197)	(111,318)
Net Carrying Amount	89,898	103,282
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	175,156	175,418
Accumulated Amortization	(88,783)	(76,541)
Net Carrying Amount	86,373	98,877
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,503	5,569
Accumulated Amortization	(5,503)	(5,569)
Net Carrying Amount	0	0
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	24,743	24,870
Accumulated Amortization	(22,252)	(21,794)
Net Carrying Amount	2,491	3,076
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,843	7,879
Accumulated Amortization	(6,885)	(6,691)
Net Carrying Amount	958	1,188
Licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	850	864
Accumulated Amortization	(774)	(723)
Net Carrying Amount	$ 76	$ 141