Basis of Presentation and Significant Events - Schedule of Net Service Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Suspension of 2% sequestration payment adjustment	$ 0	$ 6,811	$ 9,952	$ 19,665
Suspension of LTACH site-neutral payment	$ 4,918	$ 5,749	$ 17,070	$ 18,230