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v2.4.1.9

Preferred Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended | 1 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 30, 2014 | Dec. 31, 2003 | Dec. 05, 2008
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |
Share Price |  |  | $ 1.50 us-gaap_SharePrice |  |  |
Aggregate value | $ 5 us-gaap_PreferredStockValue |  |  |  |  |
Expenses for issuance of stock |  | 11 us-gaap_PaymentsOfStockIssuanceCosts |  |  |  |
Dividend rate | 5.00%us-gaap_PreferredStockDividendRatePercentage |  |  |  |  |
Future dividend rate | 9.00%cfbk_PreferredStockFutureDividendRatePercentage |  |  |  |  |
Warrants issued | 67,314 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights |  |  |  |  |
Warrant, value | 1,100 us-gaap_WarrantsAndRightsOutstanding |  |  |  |  |
Proceeds from the stock offering |  |  | 3,000 us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock |  |  |
Deferred dividends totaling |  | 801 cfbk_DeferredDividendsOnPreferredStock |  |  |  |
Increase in common stockholders equity |  | 4,960 us-gaap_StockholdersEquityPeriodIncreaseDecrease |  |  |  |
Private Placement [Member] |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |
Expenses for issuance of stock |  |  |  | 149 us-gaap_PaymentsOfStockIssuanceCosts / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Liquidation preference |  |  |  |  | $ 1 us-gaap_PreferredStockLiquidationPreference / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
McDonald Partners, LLC [Member] | Private Placement [Member] |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |
Expenses for issuance of stock |  |  |  | 482 us-gaap_PaymentsOfStockIssuanceCosts / us-gaap_RelatedPartyTransactionAxis = cfbk_McDonaldPartnersLlcMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Series B Preferred Stock [Member] |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |
Issuance of Preferred stock | 480,000 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember | 0 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember |  |  |  |
Warrants issued | 2.00 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember |  |  |  |  |
Warrant, value | 700 us-gaap_WarrantsAndRightsOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember |  |  |  |  |
Warrant, shares | 28,000 us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember |  |  |  |  |
Series B Preferred Stock [Member] | Private Placement [Member] |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |
Issuance of Preferred stock |  |  |  | 480,000 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Preferred stock rate |  |  |  | 6.25%us-gaap_DebtConversionOriginalDebtInterestRateOfDebt / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Share Price |  |  |  | $ 25.00 us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Aggregate value |  |  |  | 12 us-gaap_PreferredStockValue / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Proceeds from the stock offering |  |  |  | 11,369 us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Series A Preferred Stock [Member] |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |
Issuance of Preferred stock |  |  |  |  |  | 7,225 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember
Aggregate value |  |  |  |  |  | 7,225 us-gaap_PreferredStockValue / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember
Liquidation preference |  |  |  |  |  | $ 1,000 us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember
Common Stock |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |
Warrants issued | 3.25 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |
Warrant, value | $ 700 us-gaap_WarrantsAndRightsOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |
Warrant, shares | 28,000 us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |

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- Definition Preferred stock future dividend rate percentage. + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 2 -Article 4 + Details
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- Definition The rate of interest that was being paid on the original debt issue that is being converted in the noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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