XML 105 R88.htm IDEA: XBRL DOCUMENT
v3.21.1

FHLB Advances And Other Debt (FHLB Advances And Other Debt Outstanding Maturity Period) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
FHLB Advances And Other Debt [Abstract] |  |
2021 | $ 78,013 |
2022 | 126,413 |
2023 | 3,500 |
2024 | 6,500 |
2025 |  |
Total | $ 214,426 | $ 29,017

X
- Definition Advances From Federal Home Loan Banks And Other Debt + References No definition available. + Details
Name: | cfbk_AdvancesFromFederalHomeLoanBanksAndOtherDebt
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Federal Home Loan Bank Advances And Other Debt Maturities Summary, Due In Next Twelve Months + References No definition available. + Details
Name: | cfbk_FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInNextTwelveMonths
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Federal Home Loan Bank Advances And Other Debt Maturities Summary, Due In Year Five + References No definition available. + Details
Name: | cfbk_FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearFive
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Federal Home Loan Bank Advances And Other Debt Maturities Summary, Due In Year Four + References No definition available. + Details
Name: | cfbk_FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearFour
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Federal Home Loan Bank Advances And Other Debt Maturities Summary, Due In Year Three + References No definition available. + Details
Name: | cfbk_FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearThree
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Federal Home Loan Bank Advances And Other Debt Maturities Summary, Due In Year Two + References No definition available. + Details
Name: | cfbk_FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearTwo
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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