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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Stock-based incentive plan, shares | 12,134 | 2,817 | 11,921
Additional Paid-In Capital |  |  |
Stock-based incentive plan, shares | 12,134 | 2,817 | 11,921
Retained Earnings (Accumulated Deficit) |  |  |
Stock-based incentive plan, shares |  | 2,817 | 11,921

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- Definition Stock-based incentive plan, shares + References No definition available. + Details
Name: | cfbk_StockBasedIncentivePlanShares
Namespace Prefix: | cfbk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration