Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2023	Jun. 30, 2022	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (121,641)		$ (118,611)
Total	75,525
Indefinite-lived Intangible Assets [Line Items]
Intangible Assets, Gross	199,316		195,472
Intangible Assets, Net	77,675		76,861
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Indefinite lived assets:	2,150		2,150
Network relationships
Finite-Lived Intangible Assets [Line Items]
Amortized intangible assets, Gross	150,679		150,679
Accumulated Amortization	(97,882)		(95,451)
Total	$ 52,797		55,228
Network relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life	11 years	11 years
Network relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life	21 years	21 years
Management contracts
Finite-Lived Intangible Assets [Line Items]
Useful Life	15 years	15 years
Amortized intangible assets, Gross	$ 22,832		22,832
Accumulated Amortization	(15,595)		(15,208)
Total	$ 7,237		7,624
Member relationships
Finite-Lived Intangible Assets [Line Items]
Useful Life	12 years	12 years
Amortized intangible assets, Gross	$ 20,477		16,633
Accumulated Amortization	(5,813)		(5,619)
Total	$ 14,664		11,014
Patient management platform
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years	5 years
Amortized intangible assets, Gross	$ 2,060		2,060
Accumulated Amortization	(2,060)		(2,060)
Total	$ 0		0
Tradename/trademarks
Finite-Lived Intangible Assets [Line Items]
Useful Life	20 years	20 years
Amortized intangible assets, Gross	$ 1,011		1,011
Accumulated Amortization	(270)		(257)
Total	$ 741		$ 754
Developed technology
Finite-Lived Intangible Assets [Line Items]
Useful Life	6 years		6 years
Amortized intangible assets, Gross	$ 107		$ 107
Accumulated Amortization	(21)		(16)
Total	$ 86		$ 91