XML 81 R65.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Loans And Leases (Individually Evaluated For Impairment By Class Of Loans) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Financing Receivable, Impaired [Line Items] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | $ 391 | $ 1,496
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 3,439 | 2,591
Impaired Financing Receivable, Unpaid Principal Balance, Total | 3,830 | 4,087
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 137 | 857
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 3,439 | 2,591
Impaired Financing Receivable, Recorded Investment, Total | 3,576 | 3,448
Impaired Financing Receivable, Allocated Loans and Leases | 26 | 22
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 142 | 951
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 3,485 | 2,651
Impaired Financing Receivable, Average Recorded Investment, Total | 3,627 | 3,602
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized | 26 | 69
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 178 | 152
Impaired Financing Receivable, Interest Income Recognized, Total | 204 | 221
Commercial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |  | 476
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 277 | 199
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |  | 358
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 277 | 199
Impaired Financing Receivable, Allocated Loans and Leases |  | 1
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |  | 436
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 291 | 232
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized |  | 13
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 9 | 9
Single-Family Mortgage Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 116 | 122
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 116 | 122
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 118 | 125
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 6 | 7
Multi-Family Mortgage Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |  | 37
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |  | 37
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |  | 41
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized |  | 2
Real Estate, Commercial, Non-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |  | 112
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 2,856 | 2,068
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |  | 112
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 2,856 | 2,068
Impaired Financing Receivable, Allocated Loans and Leases | 24 | 19
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |  | 114
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 2,882 | 2,086
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized |  | 8
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 154 | 126
Real Estate, Commercial, Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 391 | 871
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 190 | 202
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 137 | 350
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 190 | 202
Impaired Financing Receivable, Allocated Loans and Leases | 2 | 2
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 142 | 360
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 194 | 208
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized | 26 | 46
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | $ 9 | $ 10

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a 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 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + 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)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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
- Definition Amount of average investment of impaired financing receivables for which there is no 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 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is no 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 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no 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_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of average investment of impaired financing receivables for which there is a 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is a 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 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a 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_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_RealEstateMortgageResidentialMultiFamilyMember
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: |

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