INTANGIBLE ASSETS AND GOODWILL - Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 311,226	$ 276,554
Accumulated Amortization	(63,233)	(56,540)
Net Carrying Amount	247,993	220,014
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	35,900	27,300
Accumulated Amortization	(3,830)	(3,395)
Net Carrying Amount	32,070	23,905
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	214,500	189,000
Accumulated Amortization	(44,636)	(40,091)
Net Carrying Amount	169,864	148,909
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	47,800	47,800
Accumulated Amortization	(12,348)	(11,153)
Net Carrying Amount	35,452	36,647
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,026	12,454
Accumulated Amortization	(2,419)	(1,901)
Net Carrying Amount	$ 10,607	$ 10,553