Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	$ 26,479	$ 26,479
Accumulated amortization	(8,907)	(8,234)
Net carrying amount	$ 17,572	$ 18,245
Payor contracts
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	10 years	10 years
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	$ 19,400	$ 19,400
Accumulated amortization	(6,623)	(6,152)
Net carrying amount	$ 12,777	$ 13,248
Trade names
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	10 years	10 years
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	$ 4,170	$ 4,170
Accumulated amortization	(1,451)	(1,350)
Net carrying amount	$ 2,719	$ 2,820
Clinical contracts
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	9 years	10 years
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	$ 2,909	$ 2,909
Accumulated amortization	(833)	(732)
Net carrying amount	$ 2,076	$ 2,177