Idled Facilities and Respective Carrying Values Excluding Equipment and Other Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Prairie Correctional Facility
Facility Activations Developments And Closures [Line Items]
Net carrying value	$ 14,416	$ 14,646
Huerfano County Correctional Center
Facility Activations Developments And Closures [Line Items]
Net carrying value	15,230	15,895
Diamondback Correctional Facility
Facility Activations Developments And Closures [Line Items]
Net carrying value	36,917	38,346
Marion Adjustment Center
Facility Activations Developments And Closures [Line Items]
Net carrying value	10,743	11,047
Kit Carson Correctional Center
Facility Activations Developments And Closures [Line Items]
Net carrying value	50,950	52,757
West Tennessee Detention Facility
Facility Activations Developments And Closures [Line Items]
Net carrying value	20,622	20,842
Idle Facilities
Facility Activations Developments And Closures [Line Items]
Net carrying value	$ 148,878	$ 153,533