XML 83 R74.htm IDEA: XBRL DOCUMENT
v3.22.2

Derivative Instruments (Schedule Of Notional Amount Of Loans Sold) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Derivative Instruments [Abstract] |  |  |  |
Notional amount of loans sold | $ 9,368 | $ 972,250 | $ 94,548 | $ 1,729,136

X
- Definition Derivative, Loans Sold, Notional Amount + References No definition available. + Details
Name: | cfbk_DerivativeLoansSoldNotionalAmount
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration