Real Estate Transactions - Idled Facilities and Respective Carrying Values Excluding Equipment and Other Assets (Detail) $ in Thousands	Mar. 31, 2025 USD ($) Bed	Dec. 31, 2024 USD ($)
Prairie Correctional Facility
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	1,600
Net Carrying Value | $	$ 12,194	$ 12,390
Huerfano County Correctional Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	752
Net Carrying Value | $	$ 13,593	13,625
Diamondback Correctional Facility
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	2,160
Net Carrying Value | $	$ 40,729	36,644
Marion Adjustment Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	826
Net Carrying Value | $	$ 9,707	9,811
Kit Carson Correctional Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	1,488
Net Carrying Value | $	$ 45,832	46,279
West Tennessee Detention Facility
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	600
Net Carrying Value | $	$ 17,412	17,632
Midwest Regional Reception Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	1,033
Net Carrying Value | $	$ 47,996	48,115
North Fork Correctional Facility
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	2,400
Net Carrying Value | $	$ 58,558	57,444
California City Immigration Processing Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	2,560
Net Carrying Value | $	$ 73,493	73,232
Idle Facilities
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	13,419
Net Carrying Value | $	$ 319,514	$ 315,172