Goodwill and Identifiable Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Total	$ 135,728	$ 162,773
Tradenames
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	35,111	25,498
Total	$ 77,689	$ 87,302
Weighted-Average Remaining Life (Years)	6 years 9 months 18 days	7 years 6 months
Payor contracts
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 26,166	$ 20,016
Total	$ 55,834	$ 61,984
Weighted-Average Remaining Life (Years)	6 years 9 months 18 days	7 years 7 months 6 days
Contractual rental agreements
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization		$ 43,863
Total		$ 10,337
Weighted-Average Remaining Life (Years)		9 months 18 days
Developed technology
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 4,095	$ 3,150
Total	$ 2,205	$ 3,150
Weighted-Average Remaining Life (Years)	1 year 9 months 18 days	2 years 6 months