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Regulatory Capital Matters - Additional Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Mar. 31, 2013 | Dec. 31, 2012
Regulatory Capital Matters [Abstract] |  |
Tier One Leverage Capital To Average Assets, Required By Terms Of CFBank Order, Ratio | 8.00% | 8.00%
Capital Required By Terms Of Cf Bank Order, Ratio | 12.00% | 12.00%
Total Capital to risk weighted assets as required by CF Bank Orders |  |
Capital contribution from Holding Company | $ 13,500 |
Percent of Qualified Thrift Lender test requires | 65.00% |
Opening Balance in Liquidation Account | $ 14,300 |

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- Definition Capital Required By Terms Of Cf Bank Order, Ratio + References No definition available. + Details
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- Definition Capital required by terms of CF bank order to risk weighted assets. + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
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- Definition Minimum percentage of assets to be maintained in housing-related finance and other specified areas as per qualified thrift lender test. + References No definition available. + Details
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- Definition Opening balance in liquidation account. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Payments For Investments In Banking Subsidiary + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Tier One Leverage Capital To Average Assets, Percentage + References No definition available. + Details
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Namespace Prefix: | cfbk_
Data Type: | num:percentItemType
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- Details
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