XML 71 R62.htm IDEA: XBRL DOCUMENT
v3.23.2

Fair Value (Aggregate Fair Value, Contractual Balance And Gain Or Loss) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value [Abstract] |  |
Aggregate fair value | $ 1,355 | $ 580
Contractual balance | $ 1,355 | $ 580

X
- Definition Fair value option loans held as assets contractual amount. + References No definition available. + Details
Name: | cfbk_FairValueOptionLoansHeldAsAssetsContractualAmount
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant