XML 125 R111.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Loan Commitments and Other Related Activities (Narrative) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |  |
Period for commitments and construction loan commitments | 60 days |
Construction Loans [Member] |  |
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |  |
Period for commitments and construction loan commitments | 1 year |
Minimum [Member] |  |
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |  |
Interest rates for fixed rate loan commitments | 1.75% | 4.25%
Maturities for fixed rate loan commitments | 2 months | 3 months
Maximum [Member] |  |
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |  |
Interest rates for fixed rate loan commitments | 6.50% | 6.50%
Maturities for fixed rate loan commitments | 30 years | 14 years

X
- Definition Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] + References No definition available. + Details
Name: | cfbk_ContractualCommitmentsContingenciesAndOffBalanceSheetArrangementsLineItems
Namespace Prefix: | cfbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fixed Rate Loan Commitments Expiration Period + References No definition available. + Details
Name: | cfbk_FixedRateLoanCommitmentsExpirationPeriod
Namespace Prefix: | cfbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fixed Rate Of Interest On Loans + References No definition available. + Details
Name: | cfbk_FixedRateOfInterestOnLoans
Namespace Prefix: | cfbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term In Years Of Interest Only Loans Offered As Fixed Rate Loans + References No definition available. + Details
Name: | cfbk_TermInYearsOfInterestOnlyLoansOfferedAsFixedRateLoans
Namespace Prefix: | cfbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |