Real Estate Transactions - Additional Information (Detail)			3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 14, 2023 Bed	Jul. 25, 2022 USD ($)	Jun. 30, 2023 USD ($) Bed	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) Bed Facility	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) Facility	May 02, 2023 USD ($)	Apr. 25, 2023 Bed
Facility Activations Developments And Closures [Line Items]
Net proceeds from sale of assets						$ 5,918,000	$ 10,957,000
Loss on sale of properties								$ 7,600,000
Net proceeds after the repayment of debt								$ 18,100,000
Asset impairments				$ 3,500,000
Number of properties sold | Facility								5
Operating Costs and Expenses			$ 362,008,000		$ 349,000,000	$ 716,545,000	693,629,000
Idled Correctional Facilities
Facility Activations Developments And Closures [Line Items]
Number of facility | Facility						7
Idle Facilities
Facility Activations Developments And Closures [Line Items]
Operating Costs and Expenses			2,400,000		$ 2,700,000	$ 5,300,000	4,600,000
Idle Facilities | West Tennessee Detention Facility And the Midwest Regional Reception Center [Member]
Facility Activations Developments And Closures [Line Items]
Operating Costs and Expenses							$ 3,500,000
Roth Hall Residential Reentry Center and the Walker Hall Residential Reentry Center [Member]
Facility Activations Developments And Closures [Line Items]
Loss on sale of properties						(25,000)
Net sales proceeds									$ 5,800,000
Community
Facility Activations Developments And Closures [Line Items]
Assets Held for Sale			$ 1,100,000			$ 1,100,000
Number of beds at the center | Bed			5,000			5,000
Community | Idle Facilities
Facility Activations Developments And Closures [Line Items]
Number of facility | Facility						2
Number of beds at the facility | Bed			450			450
Net carrying value			$ 3,400,000			$ 3,400,000
Safety
Facility Activations Developments And Closures [Line Items]
Number of beds at the facility | Bed			66,000			66,000
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
Net carrying value			$ 2,900,000			$ 2,900,000
CoreCivic Properties
Facility Activations Developments And Closures [Line Items]
Number of beds at the facility | Bed			9,000			9,000
CoreCivic Properties | Davis Correctional Facility
Facility Activations Developments And Closures [Line Items]
Company Owned Bed | Bed	1,670
Lease Expiration Date	Jun. 30, 2029
CoreCivic Properties | North Fork Correctional Facility
Facility Activations Developments And Closures [Line Items]
Company Owned Bed | Bed										2,400
Purchase & Sale Agreement | Safety | McRae Correctional Facility
Facility Activations Developments And Closures [Line Items]
Gross sale price		$ 130,000,000
Net proceeds from sale of assets		129,700,000
Loss on sale of properties		$ 77,500,000