Combined Percentage Of Commercial Real Estate And Commercial Construction In Portfolio Loans

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Construction Loans maturity years

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Minimum Outstanding Impaired Commercial Loans

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- Definition

Mortgage Loans On Real Estate Fixed Rate Period

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- Definition

Percentage Of Recognized Tax Benefits

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- Definition

Percentage Of Residential Real Estate Loans In Loan Portfolio

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Amount of other addition (reduction) in allowance reserve for credit loss.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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-Topic 942

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Represents the number of stores.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of revenue from servicing real estate mortgages, credit cards, and other financial assets held by others. Includes premiums received in lieu of regular servicing fees.

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- Definition

Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements.

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-Publisher FASB

-Name Accounting Standards Codification

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-Topic 505

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 store	Dec. 31, 2013	Dec. 31, 2012
Significant Accounting Policies [Line Items]
Stock split description		On May 4, 2012, the Company completed a 1-for-5 reverse stock split, whereby every 5 shares of the Company's common stock were reclassified into one share of common stock.
Reverse stock split ratio		0.2
Number of full-service banking offices	4us-gaap_NumberOfStores
Collateral pledged to secure advances	$ 36,887,000.00	$ 28,493,000.00
Balances of loans of all other classes while impairment evaluation	250,000
Allowance for loans loss reduction	250,000
Tax benefit greater than being realized on examination	50.00%cfbk_PercentageOfRecognizedTaxBenefits
Loan servicing fees, net	17,000us-gaap_ServicingFeesNet	19,000us-gaap_ServicingFeesNet	26,000us-gaap_ServicingFeesNet
Estimated life of intangible asset	4 years 6 months
Cash [Member]
Significant Accounting Policies [Line Items]
Collateral pledged to secure advances	$ 3,300,000	$ 3,300,000
Minimum [Member] \| Land, buildings and improvements [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	3 years
Minimum [Member] \| Furniture, fixtures and equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	2 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Home equity lines of credit combined with the balance of the prior mortgage liens	89.90%
Maximum [Member] \| Land, buildings and improvements [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	40 years
Maximum [Member] \| Furniture, fixtures and equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	25 years
Single-family residential [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Residential real estate loan amount for portfolio	85.00%
Multi-family residential [Member]
Significant Accounting Policies [Line Items]
Residential real estate loan amount for portfolio	85.00%
Multi-family residential [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Fixed rates loans limit, period	3 years
Multi-family residential [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Fixed rates loans limit, period	5 years
Commercial Real Estate [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Fixed rates loans limit, period	3 years
Commercial Real Estate [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Residential real estate loan amount for portfolio	80.00%
Fixed rates loans limit, period	5 years
Construction Loans [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Residential real estate loan amount for portfolio	75.00%
Maturity of construction loans convert to permanent loans	30 years