XML 65 R54.htm IDEA: XBRL DOCUMENT v3.8.0.1

Fair Value (Assets Measured At Fair Value On A Non-Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Impaired loans:
Total impaired loans	$ 3,742	$ 3,830
Financial instruments measured at fair value on a non-recurring basis [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans	3,041	3,063
Commercial [Member] | Financial instruments measured at fair value on a non-recurring basis [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans	111	115
Single-Family Residential [Member] | Financial instruments measured at fair value on a non-recurring basis [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans	115	116
Non-Owner Occupied [Member] | Financial instruments measured at fair value on a non-recurring basis [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans	$ 2,815	$ 2,832

X

- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cfbk_RealEstateMortgageResidentialSingleFamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cfbk_RealEstateCommercialNonOwnerOccupiedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: