Segment Reporting - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2020 Property Segment Facility
Segment Reporting Information [Line Items]
Number of Operating segments | Segment	3
Number of properties for lease to third parties and used by government agencies | Property	15
CoreCivic Safety
Segment Reporting Information [Line Items]
Number of facilities operated by the company	47
Number of facilities owned by the company	42
CoreCivic Community
Segment Reporting Information [Line Items]
Number of centers owned and operated by company	27
CoreCivic Properties
Segment Reporting Information [Line Items]
Number of properties for lease to third parties and used by government agencies | Property	15