Commitments, Contingencies and Other Matters - Summary of Idled Facilities and Respective Carrying Values (Details) - Property and Equipment, Net $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($) Bed
Commitments and Contingencies [Line Items]
Net Carrying Value	$ 352,794
Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	10,922
Net Carrying Value	$ 309,064
Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	2,139
Net Carrying Value	$ 43,730
Great Plains Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 70,016
Great Plains Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,940
Net Carrying Value	$ 70,016
D. Ray James Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 51,285
D. Ray James Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,900
Net Carrying Value	$ 51,285
Northlake Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2022
Net Carrying Value	$ 69,113
Northlake Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,800
Net Carrying Value	$ 69,113
Rivers Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 38,348
Rivers Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,450
Net Carrying Value	$ 38,348
Big Spring Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 33,678
Big Spring Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,732
Net Carrying Value	$ 33,678
Flightline Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 35,586
Flightline Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,800
Net Carrying Value	$ 35,586
McFarland Female Community Reentry Facility
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 11,038
McFarland Female Community Reentry Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	300
Net Carrying Value	$ 11,038
Cheyenne Mountain Recovery Center
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 16,806
Cheyenne Mountain Recovery Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	750
Net Carrying Value	$ 16,806
Albert Bo Robinson Assessment & Treatment Center
Commitments and Contingencies [Line Items]
Year Idled	2022
Net Carrying Value	$ 14,198
Albert Bo Robinson Assessment & Treatment Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	900
Net Carrying Value	$ 14,198
Coleman Hall
Commitments and Contingencies [Line Items]
Year Idled	2017
Net Carrying Value	$ 7,844
Coleman Hall | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	350
Net Carrying Value	$ 7,844
Hector Garza Center
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 4,882
Hector Garza Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	139
Net Carrying Value	$ 4,882