PAYOR RELATIONSHIPS AND OTHER INTANGIBLES, NET - Summary of Total Intangible, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 922,699	$ 882,925
Accumulated Amortization	(128,936)	(57,304)
Total	$ 793,763	$ 825,621
Trade names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	9 years	9 years
Gross Carrying Amount	$ 1,409	$ 1,409
Accumulated Amortization	(945)	(787)
Total	$ 464	$ 622
Brand names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	16 years 1 month 6 days	19 years 3 months 18 days
Gross Carrying Amount	$ 183,878	$ 183,238
Accumulated Amortization	(29,169)	(9,037)
Total	$ 154,709	$ 174,201
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	4 years 9 months 18 days	4 years 10 months 24 days
Gross Carrying Amount	$ 85,476	$ 75,794
Accumulated Amortization	(28,341)	(12,110)
Total	$ 57,135	$ 63,684
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	18 years 2 months 12 days	18 years 2 months 12 days
Gross Carrying Amount	$ 880	$ 880
Accumulated Amortization	(233)	(184)
Total	$ 647	$ 696
Payor relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	20 years	20 years
Gross Carrying Amount	$ 631,214	$ 609,362
Accumulated Amortization	(63,510)	(32,714)
Total	$ 567,704	$ 576,648
Provider relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	4 years 3 months 18 days	5 years 1 month 6 days
Gross Carrying Amount	$ 19,842	$ 12,242
Accumulated Amortization	(6,738)	(2,472)
Total	$ 13,104	$ 9,770