XML 62 R52.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Loans And Leases (Recorded Investment In Loans By Risk Category And Class Of Loans) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | $ 59,265 | $ 217,575
Total Loans, Fiscal Year Before Latest Fiscal Year | 216,815 | 394,333
Total Loans, Two Years Before Latest Fiscal Year | 392,421 | 565,647
Total Loans, Three Years Before Latest Fiscal Year | 552,097 | 137,812
Total Loans, Four Years Before Latest Fiscal Year | 132,954 | 68,814
Total Loans, Prior | 169,463 | 112,677
Revolving loans amortized cost basis | 176,355 | 210,582
Revolving loans converted to term | 7,610 | 3,558
Total Loans | 1,706,980 | 1,710,998
Current period gross charge-offs: |  |
Current period gross charge-offs, Fiscal Year Before Latest Fiscal Year |  | 564
Current period gross charge-offs, Two Years Before Latest Fiscal Year | 1,755 | 211
Current period gross charge-offs, Three Years Before Latest Fiscal Year | 118 |
Prior |  | 3
Revolving loans amortized cost basis | 250 |
Total Loans | 2,123 | 778
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 14,708 | 32,965
Total Loans, Fiscal Year Before Latest Fiscal Year | 31,749 | 87,265
Total Loans, Two Years Before Latest Fiscal Year | 84,011 | 100,641
Total Loans, Three Years Before Latest Fiscal Year | 94,868 | 45,670
Total Loans, Four Years Before Latest Fiscal Year | 44,153 | 3,273
Total Loans, Prior | 11,940 | 9,888
Revolving loans amortized cost basis | 136,638 | 159,115
Revolving loans converted to term | 3,944 | 1,078
Total Loans | 422,011 | 439,895
Commercial Portfolio Segment [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 14,708 | 32,965
Total Loans, Fiscal Year Before Latest Fiscal Year | 31,749 | 86,433
Total Loans, Two Years Before Latest Fiscal Year | 76,526 | 90,297
Total Loans, Three Years Before Latest Fiscal Year | 87,176 | 45,670
Total Loans, Four Years Before Latest Fiscal Year | 44,153 | 3,189
Total Loans, Prior | 11,859 | 9,888
Revolving loans amortized cost basis | 136,588 | 159,065
Revolving loans converted to term | 3,944 | 1,078
Total Loans | 406,703 | 428,585
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Two Years Before Latest Fiscal Year | 7,000 | 2,807
Total Loans, Four Years Before Latest Fiscal Year |  | 84
Total Loans, Prior | 81 |
Total Loans | 7,081 | 2,891
Commercial Portfolio Segment [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Fiscal Year Before Latest Fiscal Year |  | 384
Total Loans, Two Years Before Latest Fiscal Year | 485 | 7,537
Total Loans, Three Years Before Latest Fiscal Year | 7,692 |
Revolving loans amortized cost basis | 50 | 50
Total Loans | 8,227 | 7,971
Commercial Portfolio Segment [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Fiscal Year Before Latest Fiscal Year |  | 448
Total Loans |  | 448
Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 44,060 | 184,610
Total Loans, Fiscal Year Before Latest Fiscal Year | 185,066 | 307,068
Total Loans, Two Years Before Latest Fiscal Year | 308,410 | 465,006
Total Loans, Three Years Before Latest Fiscal Year | 457,229 | 92,130
Total Loans, Four Years Before Latest Fiscal Year | 88,792 | 65,541
Total Loans, Prior | 157,336 | 102,573
Revolving loans amortized cost basis |  | 15,822
Total Loans | 1,240,893 | 1,232,750
Current period gross charge-offs: |  |
Current period gross charge-offs, Fiscal Year Before Latest Fiscal Year |  | 564
Current period gross charge-offs, Two Years Before Latest Fiscal Year |  | 211
Total Loans |  | 775
Real Estate Portfolio Segment [Member] | Single-Family Residential [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 12,372 | 42,655
Total Loans, Fiscal Year Before Latest Fiscal Year | 36,169 | 131,416
Total Loans, Two Years Before Latest Fiscal Year | 126,413 | 231,379
Total Loans, Three Years Before Latest Fiscal Year | 223,580 | 45,785
Total Loans, Four Years Before Latest Fiscal Year | 44,062 | 9,584
Total Loans, Prior | 25,206 | 17,405
Total Loans | 467,802 | 478,224
Real Estate Portfolio Segment [Member] | Single-Family Residential [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 12,372 | 42,655
Total Loans, Fiscal Year Before Latest Fiscal Year | 35,622 | 131,416
Total Loans, Two Years Before Latest Fiscal Year | 126,041 | 231,379
Total Loans, Three Years Before Latest Fiscal Year | 223,580 | 45,785
Total Loans, Four Years Before Latest Fiscal Year | 44,062 | 9,584
Total Loans, Prior | 24,588 | 16,778
Total Loans | 466,265 | 477,597
Real Estate Portfolio Segment [Member] | Single-Family Residential [Member] | Nonperforming [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Fiscal Year Before Latest Fiscal Year | 547 |
Total Loans, Two Years Before Latest Fiscal Year | 372 |
Total Loans, Prior | 618 | 627
Total Loans | 1,537 | 627
Real Estate Portfolio Segment [Member] | Multi-Family Residential [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year |  | 24,839
Total Loans, Fiscal Year Before Latest Fiscal Year | 24,822 | 8,776
Total Loans, Two Years Before Latest Fiscal Year | 8,724 | 53,815
Total Loans, Three Years Before Latest Fiscal Year | 52,081 | 7,311
Total Loans, Four Years Before Latest Fiscal Year | 7,249 | 15,772
Total Loans, Prior | 35,456 | 20,265
Total Loans | 128,332 | 130,778
Real Estate Portfolio Segment [Member] | Multi-Family Residential [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year |  | 24,839
Total Loans, Fiscal Year Before Latest Fiscal Year | 24,822 | 8,776
Total Loans, Two Years Before Latest Fiscal Year | 8,724 | 53,815
Total Loans, Three Years Before Latest Fiscal Year | 52,081 | 7,311
Total Loans, Four Years Before Latest Fiscal Year | 7,249 | 15,772
Total Loans, Prior | 35,456 | 20,265
Total Loans | 128,332 | 130,778
Real Estate Portfolio Segment [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans | 459,860 | 433,026
Real Estate Portfolio Segment [Member] | Non-Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 10,189 | 57,092
Total Loans, Fiscal Year Before Latest Fiscal Year | 52,955 | 27,068
Total Loans, Two Years Before Latest Fiscal Year | 33,731 | 61,990
Total Loans, Three Years Before Latest Fiscal Year | 68,558 | 15,085
Total Loans, Four Years Before Latest Fiscal Year | 14,486 | 20,606
Total Loans, Prior | 59,943 | 45,725
Revolving loans amortized cost basis |  | 982
Total Loans | 239,862 | 228,548
Real Estate Portfolio Segment [Member] | Non-Owner Occupied [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 10,189 | 57,092
Total Loans, Fiscal Year Before Latest Fiscal Year | 52,955 | 27,068
Total Loans, Two Years Before Latest Fiscal Year | 33,731 | 61,990
Total Loans, Three Years Before Latest Fiscal Year | 68,558 | 15,085
Total Loans, Four Years Before Latest Fiscal Year | 14,486 | 20,101
Total Loans, Prior | 59,438 | 45,725
Revolving loans amortized cost basis |  | 982
Total Loans | 239,357 | 228,043
Real Estate Portfolio Segment [Member] | Non-Owner Occupied [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Four Years Before Latest Fiscal Year |  | 505
Total Loans, Prior | 505 |
Total Loans | 505 | 505
Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 5,408 | 20,353
Total Loans, Fiscal Year Before Latest Fiscal Year | 23,518 | 55,169
Total Loans, Two Years Before Latest Fiscal Year | 69,781 | 50,210
Total Loans, Three Years Before Latest Fiscal Year | 48,651 | 19,775
Total Loans, Four Years Before Latest Fiscal Year | 19,365 | 19,430
Total Loans, Prior | 36,228 | 18,768
Revolving loans amortized cost basis |  | 68
Total Loans | 202,951 | 183,773
Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 5,408 | 20,353
Total Loans, Fiscal Year Before Latest Fiscal Year | 23,518 | 55,169
Total Loans, Two Years Before Latest Fiscal Year | 69,781 | 50,210
Total Loans, Three Years Before Latest Fiscal Year | 48,651 | 19,775
Total Loans, Four Years Before Latest Fiscal Year | 19,365 | 18,751
Total Loans, Prior | 35,549 | 18,768
Revolving loans amortized cost basis |  | 68
Total Loans | 202,272 | 183,094
Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Four Years Before Latest Fiscal Year |  | 679
Total Loans, Prior | 679 |
Total Loans | 679 | 679
Real Estate Portfolio Segment [Member] | Land [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 5,895 | 7,932
Total Loans, Fiscal Year Before Latest Fiscal Year | 4,792 | 6,037
Total Loans, Two Years Before Latest Fiscal Year | 401 | 6,177
Total Loans, Three Years Before Latest Fiscal Year | 5,456 |
Total Loans, Four Years Before Latest Fiscal Year |  | 149
Total Loans, Prior | 503 | 410
Total Loans | 17,047 | 20,705
Real Estate Portfolio Segment [Member] | Land [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 5,895 | 7,932
Total Loans, Fiscal Year Before Latest Fiscal Year | 4,792 | 6,037
Total Loans, Two Years Before Latest Fiscal Year | 401 | 6,177
Total Loans, Three Years Before Latest Fiscal Year | 5,456 |
Total Loans, Four Years Before Latest Fiscal Year |  | 149
Total Loans, Prior | 503 | 410
Total Loans | 17,047 | 20,705
Real Estate Portfolio Segment [Member] | Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 10,196 | 31,739
Total Loans, Fiscal Year Before Latest Fiscal Year | 42,810 | 78,602
Total Loans, Two Years Before Latest Fiscal Year | 69,360 | 61,435
Total Loans, Three Years Before Latest Fiscal Year | 58,903 | 4,174
Total Loans, Four Years Before Latest Fiscal Year | 3,630 |
Revolving loans amortized cost basis |  | 14,772
Total Loans | 184,899 | 190,722
Real Estate Portfolio Segment [Member] | Construction [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 10,196 | 31,739
Total Loans, Fiscal Year Before Latest Fiscal Year | 42,810 | 78,602
Total Loans, Two Years Before Latest Fiscal Year | 69,360 | 61,435
Total Loans, Three Years Before Latest Fiscal Year | 58,903 | 4,174
Total Loans, Four Years Before Latest Fiscal Year | 3,630 |
Revolving loans amortized cost basis |  | 14,772
Total Loans | 184,899 | 190,722
Consumer Portfolio Segment [Member] |  |
Current period gross charge-offs: |  |
Current period gross charge-offs, Two Years Before Latest Fiscal Year | 1,755 |
Current period gross charge-offs, Three Years Before Latest Fiscal Year | 118 |
Total Loans | 1,873 |
Consumer Portfolio Segment [Member] | Home Equity Lines Of Credit [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Revolving loans amortized cost basis | 37,218 | 33,510
Revolving loans converted to term | 3,666 | 2,450
Total Loans | 40,884 | 35,960
Consumer Portfolio Segment [Member] | Home Equity Lines Of Credit [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Revolving loans amortized cost basis | 37,218 | 33,510
Revolving loans converted to term | 3,652 | 2,433
Total Loans | 40,870 | 35,943
Consumer Portfolio Segment [Member] | Home Equity Lines Of Credit [Member] | Nonperforming [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Revolving loans converted to term | 14 | 17
Total Loans | 14 | 17
Consumer Portfolio Segment [Member] | Other [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 497 |
Total Loans, Three Years Before Latest Fiscal Year |  | 12
Total Loans, Four Years Before Latest Fiscal Year | 9 |
Total Loans, Prior | 187 | 216
Revolving loans amortized cost basis | 2,499 | 2,135
Revolving loans converted to term |  | 30
Total Loans | 3,192 | 2,393
Current period gross charge-offs: |  |
Prior |  | 3
Revolving loans amortized cost basis | 250 |
Total Loans | 250 | 3
Consumer Portfolio Segment [Member] | Other [Member] | Performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Loans, Current Fiscal Year | 497 |
Total Loans, Three Years Before Latest Fiscal Year |  | 12
Total Loans, Four Years Before Latest Fiscal Year | 9 |
Total Loans, Prior | 187 | 216
Revolving loans amortized cost basis | 2,469 | 2,135
Total Loans | 3,162 | 2,363
Consumer Portfolio Segment [Member] | Other [Member] | Nonperforming [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Revolving loans amortized cost basis | 30 |
Revolving loans converted to term |  | 30
Total Loans | $ 30 | $ 30

X
- Definition Financing Receivable, Allowance for Credit Loss, Writeoff + References No definition available. + Details
Name: | cfbk_FinancingReceivableAllowanceForCreditLossWriteoff
Namespace Prefix: | cfbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableRevolvingWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-13 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (1) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph a -Publisher SEC Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=cfbk_RealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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