XML 106 R90.htm IDEA: XBRL DOCUMENT
v3.19.1

FHLB Advances And Other Debt (FHLB Advances And Other Debt Outstanding Maturity Period) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
FHLB Advances And Other Debt [Abstract] |  |
2019 | $ 3,500 |
2020 | 10,500 |
2021 | 4,000 |
2022 | 1,500 |
2023 |  |
Total | $ 19,500 | $ 13,500

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