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Stockholders Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Restricted stock based compensation |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Restricted common stock units issued by CCA to certain of its employees and non-employee directors | 602,000 |  | 438,000
Fair value of restricted common stock units issued by CCA to certain of its employees and non-employee directors | $ 17.4 |  | $ 17.5
Allocated share-based compensation expense | $ 3.7 | $ 3.4 |
Restricted common stock units remained outstanding and subject to vesting | 1,200,000 |  |
Restricted stock based compensation | Officers And Executive Officers |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Vesting period | 3 years |  |
Performance criteria, cumulative period | 3 years |  |
Percent of awards eligible to vest | 33.33% |  |
Restricted stock based compensation | 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 compensation | Non Employee Directors |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Vesting period | 1 year |  |
Restricted stock based compensation | General and Administrative |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Restricted common stock units issued by CCA to certain of its employees and non-employee directors | 529,000 |  | 385,000
Allocated share-based compensation expense | $ 3.2 | 3.0 |
Restricted stock based compensation | Operating |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Restricted common stock units issued by CCA to certain of its employees and non-employee directors | 73,000 |  | 53,000
Allocated share-based compensation expense | $ 0.5 | 0.4 |
Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Common stock options outstanding | 1,400,000 |  |
Weighted average exercise price of common stock outstanding | $ 20.46 |  |
Stock options | General and Administrative |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Expense net of estimated forfeitures, relating to common stock options | $ 0.1 | $ 0.4 |

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