REAL ESTATE AND OTHER TRANSACTIONS - Additional Information (Detail) $ in Thousands		3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) Bed	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($) Bed Facility	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Facility Bed	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2014 USD ($) Installment	Jun. 10, 2024 Bed
Facility Activations Developments And Closures [Line Items]
Aggregate carrying value of the property and equipment	$ 2,083,178		$ 2,083,178			$ 2,083,178		$ 2,114,522
Operating Costs and Expenses			375,735		$ 362,008	753,838	$ 716,545
Revenue			490,109		463,682	$ 990,795	921,684
Company Owned Bed | Bed										2,400
Forecast | Minimum
Facility Activations Developments And Closures [Line Items]
Non-cash asset impairment charge		$ 3,000
Forecast | Maximum
Facility Activations Developments And Closures [Line Items]
Non-cash asset impairment charge		$ 3,600
South Texas Family Residential Center / ICE
Facility Activations Developments And Closures [Line Items]
Agreement notice period for termination						60 days
Lease Liabilities and Adjustments						$ 57,000
South Texas Family Residential Center | South Texas Family Residential Center / ICE
Facility Activations Developments And Closures [Line Items]
Number of installments | Installment									2
Amount to be settled as an installment									$ 35,000
Deferred revenue noncurrent									$ 70,000
Revenue						78,100		156,100
Deferred revenue	6,000		6,000			$ 6,000		7,300
Idled Correctional Facilities
Facility Activations Developments And Closures [Line Items]
Number of facility | Facility						9
Idle Facilities
Facility Activations Developments And Closures [Line Items]
Operating Costs and Expenses			5,800		$ 2,400	$ 9,400	$ 5,300
Facility In Oklahoma And Corecivic Community Segment [Member]
Facility Activations Developments And Closures [Line Items]
Gross sale price	3,700
Aggregate carrying value of the property and equipment	$ 2,200		$ 2,200			$ 2,200
Company Owned Bed | Bed	390		390			390
Facility in Colorado and CoreCivic Community Segment [Member]
Facility Activations Developments And Closures [Line Items]
Gain on sale of properties				$ 500
Net proceeds from sale of properties				8,000
Unused Parcel Of Land In Texas [Member]
Facility Activations Developments And Closures [Line Items]
Gain on sale of properties				100
Net proceeds from sale of properties				$ 200
Three Community Corrections Facilities And One Vacant Parcel Of Land [Member]
Facility Activations Developments And Closures [Line Items]
Gain on sale of properties								800
Net proceeds from sale of properties								$ 10,800
Community | Idle Facilities
Facility Activations Developments And Closures [Line Items]
Number of facility | Facility			2
Number of beds at the facility | Bed	450		450			450
Net carrying value	$ 3,300		$ 3,300			$ 3,300
Safety
Facility Activations Developments And Closures [Line Items]
Number of beds at the facility | Bed	65,000		65,000			65,000
Safety | Idled Non-Core Facilities
Facility Activations Developments And Closures [Line Items]
Number of facility | Facility						1
Number of beds at the facility | Bed	240		240			240
Net carrying value	$ 2,800		$ 2,800			$ 2,800