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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parenthetical) | 6 Months Ended
--- | ---
Jun. 30, 2012 | Jun. 30, 2011
Stock-based incentive plan, shares | 1,200 | 1,227
Additional Paid-In Capital |  |
Stock-based incentive plan, shares | 1,200 | 1,227

X
- 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