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Stockholders' Equity - Additional Information (Detail) - USD ($)
12 Months Ended
Aug. 25, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
May 31, 2020
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Vesting description   The RSUs awarded to officers and executive officers in 2019, 2020 and 2021 consist of a combination of awards with performance-based conditions and time-based conditions.  Unless earlier vested under the terms of the RSU agreements, the RSUs with time-based vesting conditions vest evenly generally on the first, second, and third anniversary of the award. The RSUs with performance-based vesting conditions are divided into one-third increments, each of which is subject to vesting based upon satisfaction of certain annual performance criteria established at the beginning of the fiscal years ending December 31, 2019, 2020, and 2021 for the 2019 awards, December 31, 2020, 2021, and 2022 for the 2020 awards, and December 31, 2021, 2022, and 2023 for the 2021 awards, and which can be increased up to 150% or decreased to 0% based on performance relative to the annual performance criteria, and further increased or decreased using a modifier of 80% to 120% based on CoreCivic's total shareholder return relative to a peer group.  Based on performance achieved for 2021, the RSUs subject to performance-based vesting criteria were increased by 150%, and were further increased by a 114.2% modifier based on CoreCivic's total shareholder return relative to the peer group. Because the performance criteria for the fiscal years ending December 31, 2022 and 2023 have not yet been established, the values of the third RSU increment of the 2020 awards and of the second and third increments of the 2021 awards for financial reporting purposes will not be determined until such criteria are established.        
Increase in vesting percentage based on performance relative to annual performance criteria   150.00%        
Decrease in vesting percentage based on performance relative to annual performance criteria   0.00%        
Common stock, par value   $ 0.01 $ 0.01      
Common stock, shares issued   120,285,000 119,638,000      
Preferred stock, shares authorized   50,000,000 50,000,000      
Preferred stock, shares par value   $ 0.01 $ 0.01      
Total intrinsic value of options exercised   $ 0 $ 0 $ 500,000    
2020 Stock Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Number of shares authorized for issuance of awards         4,700,000  
Number of shares available for issuance   2,800,000        
ATM Agreement            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Common stock, par value $ 0.01          
Common stock, shares issued           0
Minimum            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Increase decrease in vesting percentage based on shareholder return relative to peer group   80.00%        
Maximum            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Increase decrease in vesting percentage based on shareholder return relative to peer group   120.00%        
Maximum | Common Stock | ATM Agreement            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Common stock, aggregate gross sales price $ 200,000,000.0          
Other Employees            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Vesting period, continuous service requirement   3 years        
Restricted stock based awards            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Fair value of restricted common stock units issued by CoreCivic to certain of its employees and non-employee directors   $ 21,800,000 20,900,000      
Increase in vesting percentage based on performance relative to annual performance criteria   150.00%        
Vesting percentage based on shareholder return relative to peer group.   114.20%        
Allocated share-based compensation expense   $ 18,700,000 17,300,000 17,300,000    
Unrecognized compensation cost   $ 16,300,000        
Remaining period for recognizing the unrecognized compensation cost, in years   1 year 7 months 6 days        
Total fair value of RSUs that vested   $ 18,300,000 17,400,000 13,400,000    
Restricted stock based awards | General and Administrative            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Allocated share-based compensation expense   17,100,000 15,600,000 15,500,000    
Restricted stock based awards | Operating            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Allocated share-based compensation expense   $ 1,600,000 $ 1,700,000 $ 1,800,000    
Restricted stock based awards | Employees And Non Employee Directors            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Restricted common stock units issued by CoreCivic   2,700,000 1,200,000      
Restricted stock based awards | Employees And Non Employee Directors | General and Administrative            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Restricted common stock units issued by CoreCivic   2,500,000 1,100,000      
Restricted stock based awards | Employee | Operating            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Restricted common stock units issued by CoreCivic   200,000 100,000      
Restricted stock based awards | Officers And Executive Officers            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Vesting period   3 years        
Percent of awards eligible to vest   33.33%        
Restricted stock based awards | Non Employee Directors            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Vesting period   1 year        
Stock options            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Term of options   10 years        
Stock options | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Vesting period   3 years        
Stock options | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]            
Vesting period   4 years