Dispositions and Acquisitions - Additional Information (Detail)	1 Months Ended	6 Months Ended
	Jul. 31, 2021 USD ($) Bed	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Business Acquisition [Line Items]
Acquisition, cash paid		$ 0	$ 1,000,000
Aggregate cash proceeds from divestiture of businesses		$ 21,000,000	$ 6,000,000
Nevada | Subsequent Event
Business Acquisition [Line Items]
Acquisition, cash paid	$ 40,000,000
Number of beds available in micro-hospital | Bed	22