Commitments, Contingencies and Other Matters - Additional Information (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 31, 2021 USD ($)	Sep. 30, 2023 USD ($) Property	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Property	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) Property
Commitments and Contingencies [Line Items]
Loss contingency, judgement value	$ 23,200
Attorneys fees costs and interest amount	$ 12,700
Estimate of possible loss				$ 20,800
Estimated construction existing active capital projects cost				57,800
Cost already spent on existing active capital projects				43,000
Remaining capital required for existing active capital projects				14,800
Assets Held for Sale		$ 5,130		5,130		$ 480
Equity in earnings from affiliates		$ 709	$ 1,071	$ 3,121	$ 3,786
U.S. Marshals Service | Minimum
Commitments and Contingencies [Line Items]
Contract option expiry period				2025-09
U.S. Marshals Service | Maximum
Commitments and Contingencies [Line Items]
Contract option expiry period				2028-09
Reentry Services
Commitments and Contingencies [Line Items]
Assets held for sale, number of properties | Property		2		2
Secure Services
Commitments and Contingencies [Line Items]
Assets held for sale, number of properties | Property						1
Ravenhall
Commitments and Contingencies [Line Items]
Gross proceeds from sale of equity investment					84,000
Gain on sale of equity investment, pre-tax			$ 29,300
SACS
Commitments and Contingencies [Line Items]
Ownership percentage in entity		50.00%		50.00%
Gross business interruption recoveries		$ 3,000
Equity in earnings from affiliates		$ 1,500		$ 1,500	$ 1,500