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v3.4.0.3

Subsequent Event (Details) | May. 10, 2016
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Subsequent Event [Member] |
Common stock repurchase, percent | 3.00%

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- Definition Common stock repurchase, percent + References No definition available. + Details
Name: | cfbk_CommonStockRepurchasePercent
Namespace Prefix: | cfbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |