Summary of Net Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Net Intangible Assets	$ 81,041	$ 82,586
Medicare Licenses
Finite Lived Intangible Assets [Line Items]
Net Intangible Assets	57,226	57,226
Certificates of Need
Finite Lived Intangible Assets [Line Items]
Net Intangible Assets	8,239	8,253
Contract Relationships and Other
Finite Lived Intangible Assets [Line Items]
Net Intangible Assets	$ 15,576	$ 17,107