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Consolidated Statements of Stockholders' Equity (USD $) In Thousands | Total | Regular Dividend | Special Dividend | Common Stock | Common Stock Special Dividend | Additional Paid-in Capital | Additional Paid-in Capital Special Dividend | (Accumulated Deficit) Retained Earnings | (Accumulated Deficit) Retained Earnings Regular Dividend | (Accumulated Deficit) Retained Earnings Special Dividend
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2011 | $ 1,408,022 us-gaap_StockholdersEquity |  |  | $ 995 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | $ 1,129,435 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | $ 277,592 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Beginning Balance (in shares) at Dec. 31, 2011 |  |  |  | 99,528 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Net income | 156,761 us-gaap_NetIncomeLoss |  |  |  |  |  |  | 156,761 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Issuance of common stock (in shares) |  |  |  | 1 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Issuance of common stock | 29 us-gaap_StockIssuedDuringPeriodValueNewIssues |  |  |  |  | 29 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Retirement of common stock (in shares) |  |  |  | (110)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Retirement of common stock | (2,808)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue |  |  | (1)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (2,807)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Dividend on common stock |  | (60,222)us-gaap_DividendsCommonStockCash / cxw_DividendsPaidAxis = cxw_RegularDividendMember |  |  |  |  |  |  | (60,222)us-gaap_DividendsCommonStockCash / cxw_DividendsPaidAxis = cxw_RegularDividendMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Restricted stock compensation, net of forfeitures (in shares) |  |  |  | (13)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Restricted stock compensation, net of forfeitures | 7,635 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |  |  |  |  | 7,635 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Stock option compensation expense, net of forfeitures | 4,661 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  |  |  | 4,661 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Income tax benefit of equity compensation | 2,609 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  |  |  | 2,609 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Restricted stock grant (in shares) |  |  |  | 333 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Restricted stock grant |  |  |  | 3 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (3)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Stock options exercised (in shares) |  |  |  | 366 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Stock options exercised | 4,933 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  |  | 4 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 4,929 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Ending Balance at Dec. 31, 2012 | 1,521,620 us-gaap_StockholdersEquity |  |  | 1,001 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 1,146,488 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | 374,131 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Ending Balance (in shares) at Dec. 31, 2012 |  |  |  | 100,105 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Net income | 300,835 us-gaap_NetIncomeLoss |  |  |  |  |  |  | 300,835 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Issuance of common stock (in shares) |  |  |  | 20 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Issuance of common stock | 27 us-gaap_StockIssuedDuringPeriodValueNewIssues |  |  |  |  | 27 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Retirement of common stock (in shares) |  |  |  | (180)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Retirement of common stock | (6,693)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue |  |  | (2)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (6,691)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Dividend on common stock (in shares) |  |  |  |  | 13,878 us-gaap_CommonStockDividendsShares / cxw_DividendsPaidAxis = cxw_SpecialDividendMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Dividend on common stock |  | (221,196)us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_RegularDividendMember | (135,546)us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_SpecialDividendMember |  | 139 us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_SpecialDividendMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 542,541 us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_SpecialDividendMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | (221,196)us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_RegularDividendMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | (678,226)us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_SpecialDividendMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Restricted stock compensation, net of forfeitures (in shares) |  |  |  | (30)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Restricted stock compensation, net of forfeitures | 9,822 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |  |  |  |  | 9,381 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | 441 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Stock option compensation expense, net of forfeitures | 3,116 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  |  |  | 3,116 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Income tax benefit of equity compensation | 351 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  |  |  | 351 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Restricted stock grant (in shares) |  |  |  | 300 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Restricted stock grant |  |  |  | 3 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (3)us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Stock options exercised (in shares) |  |  |  | 1,830 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Stock options exercised | 30,171 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  |  | 18 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 30,153 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Ending Balance at Dec. 31, 2013 | 1,502,507 us-gaap_StockholdersEquity |  |  | 1,159 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 1,725,363 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | (224,015)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Ending Balance (in shares) at Dec. 31, 2013 |  |  |  | 115,923 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Net income | 195,022 us-gaap_NetIncomeLoss |  |  |  |  |  |  | 195,022 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Retirement of common stock (in shares) |  |  |  | (118)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Retirement of common stock | (4,036)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue |  |  | (1)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (4,035)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Dividend on common stock |  | (239,086)us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_RegularDividendMember |  |  |  |  |  |  | (239,086)us-gaap_DividendsCommonStock / cxw_DividendsPaidAxis = cxw_RegularDividendMember / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Restricted stock compensation, net of forfeitures (in shares) |  |  |  | (20)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Restricted stock compensation, net of forfeitures | 12,093 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |  |  |  |  | 11,985 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | 108 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Stock option compensation expense, net of forfeitures | 1,882 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  |  |  | 1,882 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Income tax benefit of equity compensation | 665 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  |  |  | 665 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Restricted stock grant (in shares) |  |  |  | 267 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Restricted stock grant | 3 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation |  |  | 3 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Stock options exercised (in shares) |  |  |  | 712 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Stock options exercised | 12,450 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  |  | 7 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 12,443 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Ending Balance at Dec. 31, 2014 | $ 1,481,500 us-gaap_StockholdersEquity |  |  | $ 1,168 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | $ 1,748,303 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | $ (267,971)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Ending Balance (in shares) at Dec. 31, 2014 |  |  |  | 116,764 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |

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