Idled Facilities and Respective Carrying Values Excluding Equipment and Other Assets (Detail) $ in Thousands	Sep. 30, 2023 USD ($) Bed	Dec. 31, 2022 USD ($)
Prairie Correctional Facility
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	1,600
Net Carrying Value | $	$ 13,444	$ 14,165
Huerfano County Correctional Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	752
Net Carrying Value | $	$ 14,327	14,580
Diamondback Correctional Facility
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	2,160
Net Carrying Value | $	$ 34,222	35,587
Marion Adjustment Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	826
Net Carrying Value | $	$ 10,070	10,326
Kit Carson Correctional Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	1,488
Net Carrying Value | $	$ 48,091	49,444
West Tennessee Detention Facility
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	600
Net Carrying Value | $	$ 18,821	19,581
Midwest Regional Reception Center
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	1,033
Net Carrying Value | $	$ 50,277	51,938
North Fork Correctional Facility [Member]
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	2,400
Net Carrying Value | $	$ 60,754	62,737
Idle Facilities
Facility Activations Developments And Closures [Line Items]
Design Capacity | Bed	10,859
Net Carrying Value | $	$ 250,006	$ 258,358