Commitments, Contingencies and Other Matters - Summary of Idled Facilities and Respective Carrying Values (Details) - Property and Equipment, Net $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($) Bed
Commitments and Contingencies [Line Items]
Net Carrying Value	$ 261,068
Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	8,982
Net Carrying Value	$ 230,950
Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,239
Net Carrying Value	$ 30,118
D. Ray James Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 49,912
D. Ray James Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,900
Net Carrying Value	$ 49,912
Northlake Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2022
Net Carrying Value	$ 67,620
Northlake Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,800
Net Carrying Value	$ 67,620
Rivers Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 37,068
Rivers Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,450
Net Carrying Value	$ 37,068
Big Spring Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 31,577
Big Spring Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,732
Net Carrying Value	$ 31,577
Flightline Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 34,144
Flightline Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,800
Net Carrying Value	$ 34,144
McFarland Female Community Reentry Facility
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 10,629
McFarland Female Community Reentry Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	300
Net Carrying Value	$ 10,629
Cheyenne Mountain Recovery Center
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 17,913
Cheyenne Mountain Recovery Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	750
Net Carrying Value	$ 17,913
Coleman Hall
Commitments and Contingencies [Line Items]
Year Idled	2017
Net Carrying Value	$ 7,563
Coleman Hall | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	350
Net Carrying Value	$ 7,563
Hector Garza Center
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 4,642
Hector Garza Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	139
Net Carrying Value	$ 4,642