Goodwill and Identifiable Intangible Assets - Identified Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets, net	$ 130,160	$ 162,773
Tradenames
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	38,314	25,498
Identifiable intangible assets, net	$ 74,486	$ 87,302
Weighted-Average Remaining Life (Years)	6 years 7 months 6 days	7 years 6 months
Payor contracts
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 28,216	$ 20,016
Identifiable intangible assets, net	$ 53,784	$ 61,984
Weighted-Average Remaining Life (Years)	6 years 7 months 6 days	7 years 7 months 6 days
Contractual rental agreements
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization		$ 43,863
Identifiable intangible assets, net		$ 10,337
Weighted-Average Remaining Life (Years)		9 months 18 days
Developed technology
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 4,410	$ 3,150
Identifiable intangible assets, net	$ 1,890	$ 3,150
Weighted-Average Remaining Life (Years)	1 year 6 months	2 years 6 months