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, 2023 USD ($) Bed
Commitments and Contingencies [Line Items]
Net Carrying Value	$ 332,868
Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	10,922
Net Carrying Value	$ 302,420
Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,239
Net Carrying Value	$ 30,448
Great Plains Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021	[1]
Net Carrying Value	$ 68,708
Great Plains Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,940	[1]
Net Carrying Value	$ 68,708	[1]
D. Ray James Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 50,370
D. Ray James Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,900
Net Carrying Value	$ 50,370
Northlake Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2022
Net Carrying Value	$ 68,209
Northlake Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,800
Net Carrying Value	$ 68,209
Rivers Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 37,480
Rivers Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,450
Net Carrying Value	$ 37,480
Big Spring Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 32,271
Big Spring Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,732
Net Carrying Value	$ 32,271
Flightline Correctional Facility
Commitments and Contingencies [Line Items]
Year Idled	2021
Net Carrying Value	$ 34,617
Flightline Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	1,800
Net Carrying Value	$ 34,617
McFarland Female Community Reentry Facility
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 10,765
McFarland Female Community Reentry Facility | Secure Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	300
Net Carrying Value	$ 10,765
Cheyenne Mountain Recovery Center
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 18,058
Cheyenne Mountain Recovery Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	750
Net Carrying Value	$ 18,058
Coleman Hall
Commitments and Contingencies [Line Items]
Year Idled	2017
Net Carrying Value	$ 7,661
Coleman Hall | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	350
Net Carrying Value	$ 7,661
Hector Garza Center
Commitments and Contingencies [Line Items]
Year Idled	2020
Net Carrying Value	$ 4,729
Hector Garza Center | Reentry Services
Commitments and Contingencies [Line Items]
Design Capacity | Bed	139
Net Carrying Value	$ 4,729

[1] On April 28, 2023, GEO signed a 66-month lease, with subsequent unlimited one-year options, with the Oklahoma Department of Corrections for this facility which commenced May 1, 2023