Real Estate Transactions - Additional Information (Detail)			3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 14, 2023 Bed	Jul. 25, 2022 USD ($)	Sep. 30, 2023 USD ($) Bed	Sep. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2023 USD ($) Facility Bed	Sep. 30, 2022 USD ($)	May 02, 2023 USD ($)	Apr. 25, 2023 Bed
Facility Activations Developments And Closures [Line Items]
Net proceeds from sale of assets						$ 6,431,000	$ 156,169,000
Gain on sale of properties						9,900,000
Net proceeds after the repayment of debt						27,300,000
Asset impairments			$ 2,710,000	$ 3,513,000		2,710,000	3,513,000
Operating Costs and Expenses			377,323,000	368,194,000		1,093,868,000	1,061,823,000
Vacant Parcel Land [Member]
Facility Activations Developments And Closures [Line Items]
Gain on sale of properties						400,000
Net sales proceeds			500,000			500,000
Idle Facilities
Facility Activations Developments And Closures [Line Items]
Operating Costs and Expenses			4,300,000	$ 2,800,000		9,600,000	7,400,000
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]
Gain 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
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
Gain on sale of properties		$ 77,500,000