XML 123 R107.htm IDEA: XBRL DOCUMENT v3.25.0.1

Loan Commitments And Other Related Activities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Allowance for credit losses on unfunded commitments	$ 1,971	$ 1,321	$ 862
Period for commitments and construction loan commitments	60 days
Minimum [Member]
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Interest rates for fixed rate loan commitments	3.00%	3.00%
Maturities for fixed rate loan commitments	1 month	3 months
Minimum [Member] | Construction [Member]
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Period for commitments and construction loan commitments	1 year
Maximum [Member]
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Interest rates for fixed rate loan commitments	10.00%	9.50%
Maturities for fixed rate loan commitments	30 years	30 years
Maximum [Member] | Construction [Member]
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]
Period for commitments and construction loan commitments	3 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:	dtr-types: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

- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482454/460-10-45-1

+ Details

Name:	us-gaap_OffBalanceSheetCreditLossLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
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:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: