GOODWILL AND INTANGIBLE ASSETS - Schedule of Acquired Intangible Assets (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets:	$ 495,916,000		$ 491,944,000
Accumulated Amortization:	177,023,000		159,995,000
Intangible Assets, Net:	318,893,000		331,949,000
Intangible asset impairment	0	$ 0
Licenses
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets:	21,365,000		21,365,000
Intangible Assets, Net:	$ 21,365,000		21,365,000
Management contracts
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	10 years
Gross Intangible Assets:	$ 275,000,000		275,000,000
Accumulated Amortization:	37,716,000		30,940,000
Intangible Assets, Net:	237,284,000		244,060,000
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets:	79,753,000		79,753,000
Accumulated Amortization:	32,318,000		25,773,000
Intangible Assets, Net:	$ 47,435,000		53,980,000
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	2 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	9 years
Purchased technology
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets:	$ 109,539,000		105,567,000
Accumulated Amortization:	100,671,000		97,259,000
Intangible Assets, Net:	$ 8,868,000		8,308,000
Purchased technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	3 years
Purchased technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	7 years
Trademarks / Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets:	$ 10,259,000		10,259,000
Accumulated Amortization:	6,318,000		6,023,000
Intangible Assets, Net:	3,941,000		4,236,000
Indefinite-lived intangible assets	$ 1,900,000		$ 1,900,000
Trademarks / Trade names | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	1 year
Trademarks / Trade names | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	5 years