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, 2023 USD ($) Bed
Commitments and Contingencies [Line Items]
Net Carrying Value	$ 253,416
Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	9,732
Net Carrying Value	$ 245,951
Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	350
Net Carrying Value	$ 7,465
D. Ray James Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 49,508
D. Ray James Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,900
Net Carrying Value	$ 49,508
Northlake Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2022
Net Carrying Value	$ 67,028
Northlake Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,800
Net Carrying Value	$ 67,028
Rivers Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 36,656
Rivers Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,450
Net Carrying Value	$ 36,656
Big Spring Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 30,883
Big Spring Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,732
Net Carrying Value	$ 30,883
Flightline Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 33,672
Flightline Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	1,800
Net Carrying Value	$ 33,672
McFarland Female Community Reentry Facility
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 10,494
McFarland Female Community Reentry Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	300
Net Carrying Value	$ 10,494
Cheyenne Mountain Recovery Center
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 17,710
Cheyenne Mountain Recovery Center | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	750
Net Carrying Value	$ 17,710
Coleman Hall
Commitments and Contingencies [Line Items]
Year Idled	2017
Net Carrying Value	$ 7,465
Coleman Hall | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity (beds) | Bed	350
Net Carrying Value	$ 7,465