Goodwill and Identifiable Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 10,000	$ 13,900	$ 20,000	$ 24,200
Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract]
2023	39,996		39,996
2024	23,753		23,753
2025	22,217		22,217
2026	20,120		20,120
2027	13,899		13,899
Thereafter	62,786		62,786
Total	182,771		182,771		$ 202,231
Impairment of Intangible Assets, Finite-lived			0	$ 0
Tradenames
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	19,090		$ 19,090		$ 12,705
Finite-Lived Intangible Assets, Remaining Amortization Period			8 years		8 years 4 months 24 days
Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract]
Total	93,710		$ 93,710		$ 99,595
Payor contracts
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	15,916		$ 15,916		$ 11,816
Finite-Lived Intangible Assets, Remaining Amortization Period			8 years 1 month 6 days		8 years 7 months 6 days
Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract]
Total	66,084		$ 66,084		$ 70,184
Contractual rental agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	35,003		$ 35,003		$ 26,158
Finite-Lived Intangible Assets, Remaining Amortization Period			1 year 3 months 18 days		1 year 9 months 18 days
Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract]
Total	19,197		$ 19,197		$ 28,042
Developed technology
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	2,520		$ 2,520		$ 1,890
Finite-Lived Intangible Assets, Remaining Amortization Period			3 years		3 years 6 months
Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract]
Total	$ 3,780		$ 3,780		$ 4,410