Real Estate and Related Assets - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Property Facility	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Number of real estate properties owned | Facility	63
Number of properties for lease to third parties and used by government agencies | Property	8
Number of facilities owned by government partners, managed | Facility	4
Interest capitalization cost on construction in progress	$ 1,000	$ 400	$ 500
Depreciation expense	$ 126,700	132,900	$ 141,700
Number of facilities accounting for as service concession arrangements | Facility	4
Other real estate assets	$ 208,181	218,915
Contract Cost
Property, Plant and Equipment [Line Items]
Other real estate assets	136,300	140,500
Service Contract
Property, Plant and Equipment [Line Items]
Other real estate assets	$ 71,900	$ 78,400