Schedule III - Real Estate Assets and Accumulated Depreciation Summary of Transactions (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024		Dec. 31, 2023	Dec. 31, 2022
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Investment in Real Estate, balance at beginning of period	$ 3,323,411		$ 3,288,714	$ 3,352,942
Additions through capital expenditures	32,346		46,773	41,449
Asset impairments	0		0	(4,241)
Disposals/Other	(11,619)		(12,076)	(101,436)
Investment in Real Estate, balance at end of period	3,344,138	[1]	3,323,411	3,288,714
Accumulated Depreciation, balance at beginning of period	(1,324,581)		(1,244,044)	(1,194,051)
Depreciation	(84,386)		(82,780)	(81,937)
Disposals/Other	2,905		2,243	31,944
Accumulated Depreciation, balance at end of period	$ (1,406,062)	[2]	$ (1,324,581)	$ (1,244,044)

[1] The aggregate cost of properties for federal income tax purposes is approximately $3.7 billion at December 31, 2024.

[2] Depreciation is calculated using estimated useful lives of depreciable assets up to 50 years for prison facilities.