Commitments, Contingencies and Other Matters - Additional Information (Details) $ in Thousands		3 Months Ended	6 Months Ended	9 Months Ended
	Oct. 31, 2021 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) Facility Bed Property	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($) Property
Commitments and Contingencies [Line Items]
Loss contingency, judgement value	$ 23,200
Attorneys fees costs and interest amount	$ 12,700
Estimate of possible loss			$ 20,500
Estimated construction existing active capital projects cost			53,300
Cost already spent on existing active capital projects			32,900
Remaining capital required for existing active capital projects			20,400
Assets Held for Sale			$ 14,113		$ 480	$ 500
Number of marketed idle facilities | Facility			9
U.S. Marshals Service | Minimum
Commitments and Contingencies [Line Items]
Expiration date			Sep. 30, 2023
U.S. Marshals Service | Maximum
Commitments and Contingencies [Line Items]
Expiration date			Feb. 28, 2028
Albert Bo Robinson Assessment and Treatment Center
Commitments and Contingencies [Line Items]
Number of beds in properties classified as assets held for sale | Bed			900
Acquisition asset held for sale			$ 15,000
Correctional Alternative Placement Services Center
Commitments and Contingencies [Line Items]
Number of beds in properties classified as assets held for sale | Bed			45
Reentry Services
Commitments and Contingencies [Line Items]
Assets held for sale, number of properties | Property			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