Subsequent Events - Additional Information (Detail) - Restricted stock based awards - USD ($) shares in Millions, $ in Millions	1 Months Ended	12 Months Ended
	Feb. 28, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Fair value of restricted common stock units issued by CoreCivic to certain of its employees and non-employee directors		$ 21.8	$ 20.9
Employees And Non Employee Directors
Subsequent Event [Line Items]
Restricted common stock units issued by CoreCivic		2.7	1.2
Officers And Executive Officers
Subsequent Event [Line Items]
Vesting period		3 years
Non Employee Directors
Subsequent Event [Line Items]
Vesting period		1 year
Subsequent Event
Subsequent Event [Line Items]
Fair value of restricted common stock units issued by CoreCivic to certain of its employees and non-employee directors	$ 21.0
Subsequent Event | Employees And Non Employee Directors
Subsequent Event [Line Items]
Restricted common stock units issued by CoreCivic	2.1
Subsequent Event | Officers And Executive Officers
Subsequent Event [Line Items]
Restricted common stock units issued by CoreCivic	1.4
Vesting period	3 years
Subsequent Event | Other Employees
Subsequent Event [Line Items]
Restricted common stock units issued by CoreCivic	0.6
Vesting period	3 years
Subsequent Event | Non Employee Directors
Subsequent Event [Line Items]
Restricted common stock units issued by CoreCivic	0.1
Vesting period	1 year