Commitments, Contingencies and Other Matters - Summary of Idled Facilities and Respective Carrying Values (Details) - Property and Equipment, Net $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) bed
Commitments and Contingencies [Line Items]
Design Capacity | bed	10,361
Net Carrying Value | $	$ 272,424
Great Plains Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	1,940
Date Idled	2021
Net Carrying Value | $	$ 67,863
D. Ray James Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	1,900
Date Idled	2021
Net Carrying Value | $	$ 52,237
Rivers Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	1,450
Date Idled	2021
Net Carrying Value | $	$ 39,197
Big Spring Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	1,732
Date Idled	2021
Net Carrying Value | $	$ 35,105
Flightline Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	1,800
Date Idled	2021
Net Carrying Value | $	$ 36,583
McFarland Female Community Reentry Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	300
Date Idled	2020
Net Carrying Value | $	$ 11,334
Cheyenne Mountain Recovery Center | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	750
Date Idled	2020
Net Carrying Value | $	$ 17,002
Coleman Hall | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	350
Date Idled	2017
Net Carrying Value | $	$ 8,040
Hector Garza Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | bed	139
Date Idled	2020
Net Carrying Value | $	$ 5,063