XML 38 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Foreclosed Assets - Additional Information (Detail) | Sep. 30, 2012 Property | Dec. 31, 2011 Property
--- | --- | ---
Single-family residential [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Number of Properties | 1 |
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Number of Properties | 3 | 2
Land [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Number of Properties | 1 | 1

X
- Definition Number of properties. + References No definition available. + Details
Name: | cfbk_NumberOfProperties
Namespace Prefix: | cfbk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration