INTANGIBLE ASSETS - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 187,496	$ 187,550
Accumulated Amortization	(131,041)	(124,857)
Net Carrying Amount	56,455	62,693
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	164,260	164,305
Accumulated Amortization	(108,635)	(102,630)
Net Carrying Amount	55,625	61,675
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,253	20,262
Accumulated Amortization	(19,805)	(19,742)
Net Carrying Amount	448	520
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,300	2,300
Accumulated Amortization	(1,918)	(1,802)
Net Carrying Amount	382	498
Licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	683	683
Accumulated Amortization	(683)	(683)
Net Carrying Amount	$ 0	$ 0