INTANGIBLE ASSETS - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 189,410	$ 189,341
Accumulated Amortization	(120,407)	(113,934)
Net Carrying Amount	69,003	75,407
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	165,282
Accumulated Amortization	(97,507)
Net Carrying Amount	67,775	73,935
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,571
Accumulated Amortization	(19,957)
Net Carrying Amount	614	733
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,714
Accumulated Amortization	(2,100)
Net Carrying Amount	614	729
Licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	843
Accumulated Amortization	(843)
Net Carrying Amount	$ 0	$ 10