Regulatory Order Considerations (Details)	3 Months Ended
Mar. 31, 2016 USD ($)
Regulatory Order Considerations [Abstract]
Individualized workout plans on minimum criticized assets amount	$ 250,000

Individualized workout plans on minimum critical assets amount

No definition available.

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Namespace Prefix:	cfbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration