$CFBK
CF BANKSHARES INC. Stock $cfbk

$cfbk Overview Financials Valuation SEC Filings Company Website

2021 Form 10-K Financial Statement

#000107068022000008 Filed on March 16, 2022

Income Statement

Concept	2021	2020 Q4	2020
Revenue	$52.35M		$42.39M
YoY Change	23.5%		20.74%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$435.0K	$100.0K	$381.0K
YoY Change	14.17%	0.0%	20.57%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$10.31M		$14.58M
YoY Change	-29.28%		8.76%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$22.82M	$8.210M	$36.28M
YoY Change	-37.11%	116.62%	201.33%
Income Tax	$4.365M	$860.0K	$6.675M
% Of Pretax Income	19.13%	10.48%	18.4%
Net Earnings	$18.45M	$7.350M	$29.61M
YoY Change	-37.68%	143.38%	208.38%
Net Earnings / Revenue	35.25%		69.85%
Basic Earnings Per Share	$2.84		$4.53
Diluted Earnings Per Share	$2.77	$1.110M	$4.47
COMMON SHARES
Basic Shares Outstanding	6.508M		6.029M
Diluted Shares Outstanding	6.650M		6.107M

Balance Sheet

Concept	2021	2020 Q4	2020
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$221.6M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$7.800M	$3.730M	$5.100M
YoY Change	52.94%	-6.54%	-12.07%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.496B	$1.477B	$1.477B
YoY Change	1.26%	67.74%	67.75%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$14.50M	$21.90M	$21.90M
YoY Change	-33.79%	222.06%	222.06%
Accrued Expenses	$2.000M	$1.500M	$1.500M
YoY Change	33.33%	-25.0%	-25.0%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$16.50M	$23.40M	$23.40M
YoY Change	-29.49%	165.91%	165.91%
LONG-TERM LIABILITIES
Long-Term Debt	$14.90M	$14.80M	$14.80M
YoY Change	0.68%	0.0%	0.0%
Other Long-Term Liabilities	$2.800M	$1.000M	$1.000M
YoY Change	180.0%	11.11%	11.11%
Total Long-Term Liabilities	$17.70M	$15.80M	$15.80M
YoY Change	12.03%	0.64%	0.64%
TOTAL LIABILITIES
Total Short-Term Liabilities	$16.50M	$23.40M	$23.40M
Total Long-Term Liabilities	$17.70M	$15.80M	$15.80M
Total Liabilities	$1.370B	$1.367B	$1.367B
YoY Change	0.26%	70.87%	70.87%
SHAREHOLDERS EQUITY
Retained Earnings		$26.48M
YoY Change		-1003.1%
Common Stock		$54.00K
YoY Change		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$4.069M
YoY Change		20.06%
Treasury Stock Shares		$96.10K
Shareholders Equity	$125.3M	$110.2M	$110.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.496B	$1.477B	$1.477B
YoY Change	1.26%	67.74%	67.75%

Cashflow Statement

Concept	2021	2020 Q4	2020
OPERATING ACTIVITIES
Net Income	$18.45M	$7.350M	$29.61M
YoY Change	-37.68%	143.38%	208.38%
Depreciation, Depletion And Amortization	$435.0K	$100.0K	$381.0K
YoY Change	14.17%	0.0%	20.57%
Cash From Operating Activities	$253.3M	-$21.70M	-$123.5M
YoY Change	-305.16%	-49.53%	19.25%
INVESTING ACTIVITIES
Capital Expenditures	$2.962M	-$200.0K	$385.0K
YoY Change	669.35%		-13.09%
Acquisitions
YoY Change
Other Investing Activities	-$313.8M	-$41.00M	-$259.4M
YoY Change	20.97%	28.93%	133.69%
Cash From Investing Activities	-$316.7M	-$41.20M	-$259.8M
YoY Change	21.93%	29.56%	133.17%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	8.424M	191.6M	558.9M
YoY Change	-98.49%	129.74%	188.83%
NET CHANGE
Cash From Operating Activities	253.3M	-21.70M	-123.5M
Cash From Investing Activities	-316.7M	-41.20M	-259.8M
Cash From Financing Activities	8.424M	191.6M	558.9M
Net Change In Cash	-55.00M	128.7M	175.7M
YoY Change	-131.3%	1396.51%	-920.14%
FREE CASH FLOW
Cash From Operating Activities	$253.3M	-$21.70M	-$123.5M
Capital Expenditures	$2.962M	-$200.0K	$385.0K
Free Cash Flow	$250.3M	-$21.50M	-$123.9M
YoY Change	-302.13%	-50.0%	19.11%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2019	cfbk	Adjustments To Additional Paid In Capital Accretion Of Discount And Value Of Warrants Exercised AdjustmentsToAdditionalPaidInCapitalAccretionOfDiscountAndValueOfWarrantsExercised
CY2021Q4	cfbk	Federal Home Loan Bank Advances And Other Debt Maturities Summary Due In Year Four FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearFour
CY2020	cfbk	Foreclosed Assets Net ForeclosedAssetsNet
CY2020	cfbk	Foreclosed Real Estate Operating Expense Net Of Rental Income ForeclosedRealEstateOperatingExpenseNetOfRentalIncome
CY2019	cfbk	Interest Expense Loans And Leases Heldforsale InterestExpenseLoansAndLeasesHeldforsale
CY2020	cfbk	Interest Expense Loans And Leases Heldforsale InterestExpenseLoansAndLeasesHeldforsale
CY2021	cfbk	Interest Expense Loans And Leases Heldforsale InterestExpenseLoansAndLeasesHeldforsale
CY2020	cfbk	Net Gain Loss On Sale Of Foreclosed Assets NetGainLossOnSaleOfForeclosedAssets
CY2021	cfbk	Net Gain Loss On Sale Of Foreclosed Assets NetGainLossOnSaleOfForeclosedAssets
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001070680
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
CY2020	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation
CY2021Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	0-25045
CY2021	dei	Entity Registrant Name EntityRegistrantName	CF BANKSHARES INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	43085
CY2021	dei	City Area Code CityAreaCode	614
CY2021	dei	Local Phone Number LocalPhoneNumber	334-7979
CY2021	dei	Security12b Title Security12bTitle	Common Stock, par value $.01 per share
CY2021	dei	Trading Symbol TradingSymbol	CFBK
CY2021	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021Q4	us-gaap	Assets Assets	1495589000
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	34-1877137
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	7000 N. High Street
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Worthington
CY2020Q4	us-gaap	Other Assets OtherAssets	34637000
CY2021	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	true
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	129200000
CY2021	dei	Auditor Name AuditorName	BKD, LLP
CY2021	dei	Auditor Location AuditorLocation	Indianapolis, Indiana
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	166591000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221594000
CY2021Q4	cfbk	Interest Bearing Deposits In Other Financial Institutions InterestBearingDepositsInOtherFinancialInstitutions	100000
CY2020Q4	cfbk	Interest Bearing Deposits In Other Financial Institutions InterestBearingDepositsInOtherFinancialInstitutions	100000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	16347000
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8701000
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	5000000
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	5000000
CY2021Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	27988000
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	283165000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	15508000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	17022000
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1214149000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	895344000
CY2021Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	7315000
CY2020Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	5847000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5869000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3730000
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1925000
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1387000
CY2021Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	25743000
CY2020Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	17490000
CY2021Q4	us-gaap	Other Assets OtherAssets	24562000
CY2020Q4	us-gaap	Assets Assets	1476995000
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	284935000
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	198675000
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	961417000
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	914395000
CY2021Q4	us-gaap	Deposits Deposits	1246352000
CY2020Q4	us-gaap	Deposits Deposits	1113070000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	89727000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	214426000
CY2021Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	2752000
CY2020Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	1029000
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	2032000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1532000
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	14513000
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	21884000
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	14883000
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	14844000
CY2021Q4	us-gaap	Liabilities Liabilities	1370259000
CY2020Q4	us-gaap	Liabilities Liabilities	1366785000
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	88528000
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	87637000
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	44084000
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	26479000
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-170000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	96000
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	7180000
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	4069000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	125330000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	110210000
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1495589000
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1476995000
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CY2020	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	41851000
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CY2021	us-gaap	Interest Income Debt Securities Operating InterestIncomeDebtSecuritiesOperating	756000
CY2020	us-gaap	Interest Income Debt Securities Operating InterestIncomeDebtSecuritiesOperating	161000
CY2019	us-gaap	Interest Income Debt Securities Operating InterestIncomeDebtSecuritiesOperating	172000
CY2021	us-gaap	Dividend Income Operating DividendIncomeOperating	234000
CY2020	us-gaap	Dividend Income Operating DividendIncomeOperating	199000
CY2019	us-gaap	Dividend Income Operating DividendIncomeOperating	207000
CY2021	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	102000
CY2020	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	175000
CY2019	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	947000
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	52348000
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CY2021	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	1398000
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CY2020	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	938000
CY2019	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	1016000
CY2019	us-gaap	Noninterest Income NoninterestIncome	11720000
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	16948000
CY2021	us-gaap	Interest Expense InterestExpense	10309000
CY2020	us-gaap	Interest Expense InterestExpense	14578000
CY2019	us-gaap	Interest Expense InterestExpense	13404000
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CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1600000
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CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	43639000
CY2020	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	16893000
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CY2021	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	845000
CY2020	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	633000
CY2019	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	553000
CY2021	cfbk	Gain Loss On Sales Of Residential Mortgage Loans GainLossOnSalesOfResidentialMortgageLoans	5916000
CY2020	cfbk	Gain Loss On Sales Of Residential Mortgage Loans GainLossOnSalesOfResidentialMortgageLoans	58298000
CY2019	cfbk	Gain Loss On Sales Of Residential Mortgage Loans GainLossOnSalesOfResidentialMortgageLoans	10767000
CY2021	cfbk	Gain Loss On Sales Of Sba Loans Net GainLossOnSalesOfSbaLoansNet	1443000
CY2020	cfbk	Gain Loss On Sales Of Sba Loans Net GainLossOnSalesOfSbaLoansNet	68000
CY2021	cfbk	Gain On Redemption Of Life Insurance Policies GainOnRedemptionOfLifeInsurancePolicies	383000
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	532000
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	145000
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	142000
CY2021	cfbk	Gain On Sale Of Deposits GainOnSaleOfDeposits	1893000
CY2021	cfbk	Swap Fee Income SwapFeeIncome	194000
CY2020	cfbk	Swap Fee Income SwapFeeIncome	651000
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	434000
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	198000
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	258000
CY2021	us-gaap	Noninterest Income NoninterestIncome	11640000
CY2020	us-gaap	Noninterest Income NoninterestIncome	59993000
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CY2021	us-gaap	Occupancy Net OccupancyNet	1120000
CY2020	us-gaap	Occupancy Net OccupancyNet	1077000
CY2019	us-gaap	Occupancy Net OccupancyNet	965000
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2086000
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1812000
CY2019	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1350000
CY2021	us-gaap	Taxes Other TaxesOther	975000
CY2020	us-gaap	Taxes Other TaxesOther	740000
CY2019	us-gaap	Taxes Other TaxesOther	454000
CY2021	us-gaap	Professional Fees ProfessionalFees	4348000
CY2020	us-gaap	Professional Fees ProfessionalFees	5070000
CY2019	us-gaap	Professional Fees ProfessionalFees	1855000
CY2021	us-gaap	Noninterest Expense Directors Fees NoninterestExpenseDirectorsFees	622000
CY2020	us-gaap	Noninterest Expense Directors Fees NoninterestExpenseDirectorsFees	648000
CY2019	us-gaap	Noninterest Expense Directors Fees NoninterestExpenseDirectorsFees	547000
CY2021	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	146000
CY2020	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	172000
CY2019	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	225000
CY2021	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	3061000
CY2020	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	5624000
CY2019	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2829000
CY2021	us-gaap	Communication Communication	263000
CY2020	us-gaap	Communication Communication	219000
CY2019	us-gaap	Communication Communication	201000
CY2021	us-gaap	Loan Portfolio Expense LoanPortfolioExpense	352000
CY2020	us-gaap	Loan Portfolio Expense LoanPortfolioExpense	304000
CY2019	us-gaap	Loan Portfolio Expense LoanPortfolioExpense	232000
CY2019	cfbk	Foreclosed Assets Net ForeclosedAssetsNet	-9000
CY2021	us-gaap	Depreciation Nonproduction DepreciationNonproduction	435000
CY2020	us-gaap	Depreciation Nonproduction DepreciationNonproduction	381000
CY2019	us-gaap	Depreciation Nonproduction DepreciationNonproduction	316000
CY2021	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1238000
CY2020	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	588000
CY2019	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	529000
CY2021	cfbk	Regulatory Assessment RegulatoryAssessment	261000
CY2020	cfbk	Regulatory Assessment RegulatoryAssessment	181000
CY2019	cfbk	Regulatory Assessment RegulatoryAssessment	165000
CY2021	cfbk	Other Insurance OtherInsurance	158000
CY2020	cfbk	Other Insurance OtherInsurance	106000
CY2019	cfbk	Other Insurance OtherInsurance	99000
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	448000
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1694000
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	451000
CY2021	us-gaap	Noninterest Expense NoninterestExpense	32461000
CY2020	us-gaap	Noninterest Expense NoninterestExpense	40603000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	21379000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22818000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	36283000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12041000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4365000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6675000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2440000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	18453000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29608000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	9601000
CY2019	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	-219000
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	2280000
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	430000
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18453000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27328000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9390000
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.84
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.53
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.05
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.77
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.47
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.03
CY2021	us-gaap	Net Income Loss NetIncomeLoss	18453000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29608000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	9601000
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-71000
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	18000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	27000
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-266000
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	68000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	101000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-266000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	68000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	101000
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	18187000
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	29676000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9702000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	45559000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	9601000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	101000
CY2019	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	73738
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	527000
CY2019	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	1705
CY2019	cfbk	Treasury Stock Value Acquisition Surrendered For Payment Of Taxes TreasuryStockValueAcquisitionSurrenderedForPaymentOfTaxes	23000
CY2019	cfbk	Adjustments To Additional Paid In Capital Exercise Warrants To Common Stock AdjustmentsToAdditionalPaidInCapitalExerciseWarrantsToCommonStock	1258000
CY2019	cfbk	Stock Issued From Preferred Stock Private Placement During Period Value StockIssuedFromPreferredStockPrivatePlacementDuringPeriodValue	14000000
CY2019	cfbk	Stock Issued From Common Stock Private Placement During Period Value StockIssuedFromCommonStockPrivatePlacementDuringPeriodValue	9641000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	80664000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29608000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	68000
CY2020	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	19660
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	711000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	36000
CY2020	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	2158
CY2020	cfbk	Treasury Stock Value Acquisition Surrendered For Payment Of Taxes TreasuryStockValueAcquisitionSurrenderedForPaymentOfTaxes	32000
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	61000
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	648000
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.03
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	197000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	110210000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	18453000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-266000
CY2021	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	69960
CY2021	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	707000
CY2021	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	185000
CY2021	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	2261
CY2021	cfbk	Treasury Stock Value Acquisition Surrendered For Payment Of Taxes TreasuryStockValueAcquisitionSurrenderedForPaymentOfTaxes	43000
CY2021	cfbk	Shares Paid For Tax Withholding For Share Based Compensation Stock Options SharesPaidForTaxWithholdingForShareBasedCompensationStockOptions	4522
CY2021	cfbk	Treasury Stock Value Acquisition Surrendered Exercise Stock Options For Payment Of Taxes And Exercise Proceeds TreasuryStockValueAcquisitionSurrenderedExerciseStockOptionsForPaymentOfTaxesAndExerciseProceeds	96000
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	143551
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2972000
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.13
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	848000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	125330000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	18453000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29608000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	9601000
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1600000
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	10915000
CY2021	us-gaap	Depreciation Depreciation	435000
CY2020	us-gaap	Depreciation Depreciation	381000
CY2019	us-gaap	Depreciation Depreciation	316000
CY2021	us-gaap	Adjustment For Amortization AdjustmentForAmortization	-2505000
CY2020	us-gaap	Adjustment For Amortization AdjustmentForAmortization	-1510000
CY2019	us-gaap	Adjustment For Amortization AdjustmentForAmortization	-96000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	773000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3045000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-187000
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2358511000
CY2020	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	58298000
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2229042000
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	726208000
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2602993000
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2130712000
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	625509000
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	5916000
CY2019	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	10454000
CY2021	cfbk	Gain Loss On Sales Of Sba Loans Net GainLossOnSalesOfSbaLoansNet	1443000
CY2020	cfbk	Gain Loss On Sales Of Sba Loans Net GainLossOnSalesOfSbaLoansNet	68000
CY2019	cfbk	Gain Loss On Sales Of Sba Loans Net GainLossOnSalesOfSbaLoansNet	313000
CY2021	cfbk	Gain On Sale Of Deposits GainOnSaleOfDeposits	1893000
CY2021	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	-17000
CY2020	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	-265000
CY2019	cfbk	Gain On Sale Of Foreclosed Assets GainOnSaleOfForeclosedAssets	12000
CY2021	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	532000
CY2020	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	145000
CY2019	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	142000
CY2021	cfbk	Gain On Redemption Of Life Insurance Policies GainOnRedemptionOfLifeInsurancePolicies	383000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	707000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	711000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	527000
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-17880000
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	18451000
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3412000
CY2021	cfbk	Increase Decrease In Operating Lease Right Of Use Asset IncreaseDecreaseInOperatingLeaseRightOfUseAsset	461000
CY2020	cfbk	Increase Decrease In Operating Lease Right Of Use Asset IncreaseDecreaseInOperatingLeaseRightOfUseAsset	393000
CY2019	cfbk	Increase Decrease In Operating Lease Right Of Use Asset IncreaseDecreaseInOperatingLeaseRightOfUseAsset	404000
CY2021	cfbk	Increase Decrease In Operating Lease Right Of Use Liability IncreaseDecreaseInOperatingLeaseRightOfUseLiability	498000
CY2020	cfbk	Increase Decrease In Operating Lease Right Of Use Liability IncreaseDecreaseInOperatingLeaseRightOfUseLiability	428000
CY2019	cfbk	Increase Decrease In Operating Lease Right Of Use Liability IncreaseDecreaseInOperatingLeaseRightOfUseLiability	408000
CY2021	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-15135000
CY2020	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	14537000
CY2019	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	1337000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	253303000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-123465000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-103538000
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	5030000
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	5091000
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3576000
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	13070000
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	5552000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1494000
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	5000000
CY2021	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	8000000
CY2020	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	12000000
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	311232000
CY2020	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	241102000
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	118467000
CY2021	us-gaap	Payments To Acquire Receivables PaymentsToAcquireReceivables	18677000
CY2021	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	33361000
CY2020	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	1439000
CY2019	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	6547000
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2962000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	385000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	443000
CY2021	cfbk	Payments To Acquire Federal Reserve Bank Stock And Federal Home Loan Bank Stock PaymentsToAcquireFederalReserveBankStockAndFederalHomeLoanBankStock	1468000
CY2020	cfbk	Payments To Acquire Federal Reserve Bank Stock And Federal Home Loan Bank Stock PaymentsToAcquireFederalReserveBankStockAndFederalHomeLoanBankStock	1839000
CY2019	cfbk	Payments To Acquire Federal Reserve Bank Stock And Federal Home Loan Bank Stock PaymentsToAcquireFederalReserveBankStockAndFederalHomeLoanBankStock	532000
CY2021	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	1500000
CY2020	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	1000000
CY2019	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	734000
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	756000
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	594000
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	95000
CY2019	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	50000
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	661000
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	371000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-316730000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-259754000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-111402000
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	237593000
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	366747000
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	166537000
CY2021	cfbk	Payment For Assumption Of Deposits In Branch Sale PaymentForAssumptionOfDepositsInBranchSale	102418000
CY2021	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	174277000
CY2020	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	575137000
CY2019	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	766700000
CY2021	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	228964000
CY2020	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	452224000
CY2019	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	764700000
CY2021	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	-70013000
CY2020	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	70013000
CY2021	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	1723000
CY2020	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	100000
CY2019	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	102000
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	848000
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	195000
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	185000
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	36000
CY2019	cfbk	Proceeds From Issuance Of Preferred Stock Private Placement ProceedsFromIssuanceOfPreferredStockPrivatePlacement	14000000
CY2019	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	9641000
CY2019	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	1258000
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	139000
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	32000
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	23000
CY2021	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	2972000
CY2020	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	648000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8424000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	558934000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	193515000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-55003000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	175715000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-21425000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221594000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45879000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	67304000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	166591000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221594000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45879000
CY2021	us-gaap	Interest Paid Net InterestPaidNet	10579000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	14296000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	13427000
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	3850000
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	10300000
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	2510000
CY2021	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	16611000
CY2020	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	1725000
CY2019	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	657000
CY2021	cfbk	Investment Payable On Limited Partnerships InvestmentPayableOnLimitedPartnerships	7764000
CY2020	cfbk	Investment Payable On Limited Partnerships InvestmentPayableOnLimitedPartnerships	500000
CY2019	cfbk	Investment Payable On Limited Partnerships InvestmentPayableOnLimitedPartnerships	1170000
CY2019	cfbk	Transfer Of Other Liability To Operating Lease Right Of Use Asset TransferOfOtherLiabilityToOperatingLeaseRightOfUseAsset	184000
CY2021	cfbk	Noncash Initial Recognition Of Operating Right Of Use Lease Asset NoncashInitialRecognitionOfOperatingRightOfUseLeaseAsset	999000
CY2019	cfbk	Noncash Initial Recognition Of Operating Right Of Use Lease Asset NoncashInitialRecognitionOfOperatingRightOfUseLeaseAsset	2368000
CY2021	cfbk	Noncash Initial Recognition Of Operating Right Of Use Lease Liability NoncashInitialRecognitionOfOperatingRightOfUseLeaseLiability	999000
CY2019	cfbk	Noncash Initial Recognition Of Operating Right Of Use Lease Liability NoncashInitialRecognitionOfOperatingRightOfUseLeaseLiability	2368000
CY2020	cfbk	Loans Held For Sale Funded With Other Debt LoansHeldForSaleFundedWithOtherDebt	-7517000
CY2019	cfbk	Loans Held For Sale Funded With Other Debt LoansHeldForSaleFundedWithOtherDebt	7517000
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	2000
CY2021Q4	cfbk	Number Of Full Service Banking Offices NumberOfFullServiceBankingOffices	5
CY2021	us-gaap	Use Of Estimates UseOfEstimates	Use of Estimates: To prepare financial statements in conformity with U.S. generally accepted accounting principles (GAAP), management makes estimates and assumptions based on available information. These estimates and assumptions affect the amounts reported in the financial statements and the disclosures provided, and actual results could differ. The allowance for loan and lease losses (ALLL), deferred tax assets and fair values of financial instruments are particularly subject to change.
CY2021Q4	cfbk	Cash Exceeded Federally Insured Limits Amount CashExceededFederallyInsuredLimitsAmount	160300000
CY2021Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	152700000
CY2020Q4	cfbk	Interest Bearing Deposits In Other Financial Institutions InterestBearingDepositsInOtherFinancialInstitutions	100000
CY2021Q4	cfbk	Interest Bearing Deposits In Other Financial Institutions InterestBearingDepositsInOtherFinancialInstitutions	100000
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	Concentration of Credit Risk: Most of the Company’s primary business activity is with customers located within the Ohio counties of Franklin, Hamilton, Cuyahoga, Summit and contiguous counties. Therefore, the Company’s exposure to credit risk can be affected by changes in the economies within these counties. Although these counties are the Company’s primary market area for loans, the Company originates residential and commercial real estate loans throughout the United States.
CY2020Q4	us-gaap	Investment Tax Credit InvestmentTaxCredit	0
CY2021	us-gaap	Investment Tax Credit InvestmentTaxCredit	0
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	0
CY2021Q4	us-gaap	Due From Joint Ventures DueFromJointVentures	2150000
CY2020Q4	us-gaap	Due From Joint Ventures DueFromJointVentures	1406000
CY2021	cfbk	Joint Venture Incentive Payment JointVentureIncentivePayment	224000
CY2020	cfbk	Joint Venture Incentive Payment JointVentureIncentivePayment	173000
CY2019	cfbk	Joint Venture Incentive Payment JointVentureIncentivePayment	57000
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	3047000
CY2021	cfbk	Percentage Of Recognized Tax Benefits PercentageOfRecognizedTaxBenefits	0.50
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Reclassifications: Some items in the prior year financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior period net income or stockholders’ equity.
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	16562000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	32000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	247000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	16347000
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	8579000
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	122000
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8701000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities	0
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities	0
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	3504000
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	3518000
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	5011000
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5033000
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	3043000
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	3506000
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	3603000
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	9976000
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	9750000
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	16562000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	16347000
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	8579000
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8701000
CY2021Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Federal Home Loan Bank At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForFederalHomeLoanBankAtFairValue	1016000
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Federal Home Loan Bank At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForFederalHomeLoanBankAtFairValue	1017000
CY2019Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Federal Home Loan Bank At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForFederalHomeLoanBankAtFairValue	3074000
CY2021Q4	cfbk	Pledged Assets Separately Reported Securities Pledged For Public Deposits At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForPublicDepositsAtFairValue	501000
CY2020Q4	cfbk	Pledged Assets Separately Reported Securities Pledged For Public Deposits At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForPublicDepositsAtFairValue	3060000
CY2019Q4	cfbk	Pledged Assets Separately Reported Securities Pledged For Public Deposits At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForPublicDepositsAtFairValue	2015000
CY2021Q4	us-gaap	Pledged Assets Separately Reported Real Estate Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedRealEstatePledgedAsCollateralAtFairValue	1504000
CY2020Q4	us-gaap	Pledged Assets Separately Reported Real Estate Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedRealEstatePledgedAsCollateralAtFairValue	3016000
CY2019Q4	us-gaap	Pledged Assets Separately Reported Real Estate Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedRealEstatePledgedAsCollateralAtFairValue	1500000
CY2019Q4	cfbk	Pledged Assets Separately Reported Securities Pledged For Interest Rate Swaps At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForInterestRateSwapsAtFairValue	77000
CY2021Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	3021000
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	7093000
CY2019Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	6666000
CY2019Q4	cfbk	Number Of Holdings Of Securities Greater Than Ten Percent NumberOfHoldingsOfSecuritiesGreaterThanTenPercent	0
CY2020Q4	cfbk	Number Of Holdings Of Securities Greater Than Ten Percent NumberOfHoldingsOfSecuritiesGreaterThanTenPercent	0
CY2021Q4	cfbk	Number Of Holdings Of Securities Greater Than Ten Percent NumberOfHoldingsOfSecuritiesGreaterThanTenPercent	0
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	12774000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	247000
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	12774000
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	247000
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	0
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1229657000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	912366000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	15508000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	17022000
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1214149000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	895344000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	17022000
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1600000
CY2021	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	17000
CY2021	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	103000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	15508000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7138000
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	10915000
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	1094000
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	63000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	17022000
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7012000
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	36000
CY2019	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	162000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7138000
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	20000
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	15488000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	15508000
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	2978000
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1226679000
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1229657000
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	23000
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	16999000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	17022000
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	3090000
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	909276000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	912366000
CY2021	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	169000
CY2020	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	159000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	168000
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	3242000
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	2978000
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	20000
CY2021	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	3030000
CY2021	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	165000
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	3242000
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	2978000
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	20000
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	3030000
CY2021	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	165000
CY2020Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	3355000
CY2020Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	3090000
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	23000
CY2020	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	3323000
CY2020	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	164000
CY2020Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	3355000
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	3090000
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	23000
CY2020	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	3323000
CY2020	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	164000
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	111000
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	6000
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	4612000
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	4612000
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	35000
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	4394000
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	160000
CY2019Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	4612000
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	4612000
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	35000
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	4505000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	166000
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	997000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	695000
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	3555000
CY2021Q4	cfbk	Financing Receivable Recorded Investment Nonaccrual Loans Not90 Days Past Due FinancingReceivableRecordedInvestmentNonaccrualLoansNot90DaysPastDue	240000
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	2186000
CY2020Q4	cfbk	Financing Receivable Recorded Investment Nonaccrual Loans Not90 Days Past Due FinancingReceivableRecordedInvestmentNonaccrualLoansNot90DaysPastDue	334000
CY2021Q4	cfbk	Deferral Loans DeferralLoans	528000
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2978000
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	3090000
CY2021Q4	cfbk	Allocated Specific Reserves To Modified Tdrs AllocatedSpecificReservesToModifiedTdrs	20000
CY2020Q4	cfbk	Allocated Specific Reserves To Modified Tdrs AllocatedSpecificReservesToModifiedTdrs	23000
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1229657000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	912366000
CY2021Q4	us-gaap	Direct Financing Lease Lease Receivable DirectFinancingLeaseLeaseReceivable	25488000
CY2020Q4	us-gaap	Direct Financing Lease Lease Receivable DirectFinancingLeaseLeaseReceivable	4459000
CY2021Q4	us-gaap	Direct Financing Lease Deferred Selling Profit DirectFinancingLeaseDeferredSellingProfit	2385000
CY2020Q4	us-gaap	Direct Financing Lease Deferred Selling Profit DirectFinancingLeaseDeferredSellingProfit	326000
CY2021Q4	cfbk	Direct Financing Lease Indirect Initial Costs DirectFinancingLeaseIndirectInitialCosts	54000
CY2021Q4	us-gaap	Direct Financing Lease Net Investment In Lease DirectFinancingLeaseNetInvestmentInLease	23157000
CY2020Q4	us-gaap	Direct Financing Lease Net Investment In Lease DirectFinancingLeaseNetInvestmentInLease	4133000
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	6303000
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	6186000
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	5780000
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	4844000
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	2101000
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	274000
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	25488000
CY2019	cfbk	Net Gain Loss On Sale Of Foreclosed Assets NetGainLossOnSaleOfForeclosedAssets	12000
CY2019	cfbk	Foreclosed Real Estate Operating Expense Net Of Rental Income ForeclosedRealEstateOperatingExpenseNetOfRentalIncome	3000
CY2019	cfbk	Foreclosed Assets Net ForeclosedAssetsNet	-9000
CY2020Q4	cfbk	Unpaid Principal Balance Of Impaired Loans Carried At Fair Value Of Collateral UnpaidPrincipalBalanceOfImpairedLoansCarriedAtFairValueOfCollateral	190000
CY2020Q4	cfbk	Mortgage Servicing Rights Msr Valuation Allowances MortgageServicingRightsMsrValuationAllowances	0
CY2021Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	27988000
CY2020Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	283165000
CY2021Q4	cfbk	Fair Value Option Loans Held As Assets Contractual Amount FairValueOptionLoansHeldAsAssetsContractualAmount	27632000
CY2020Q4	cfbk	Fair Value Option Loans Held As Assets Contractual Amount FairValueOptionLoansHeldAsAssetsContractualAmount	274401000
CY2021Q4	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	356000
CY2020Q4	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	8764000
CY2021	us-gaap	Interest And Fee Income Loans And Leases Held For Sale InterestAndFeeIncomeLoansAndLeasesHeldForSale	5572000
CY2020	us-gaap	Interest And Fee Income Loans And Leases Held For Sale InterestAndFeeIncomeLoansAndLeasesHeldForSale	6231000
CY2019	us-gaap	Interest And Fee Income Loans And Leases Held For Sale InterestAndFeeIncomeLoansAndLeasesHeldForSale	2153000
CY2021	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-8408000
CY2020	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	7046000
CY2019	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	1341000
CY2021	cfbk	Change In Fair Value ChangeInFairValue	-2836000
CY2020	cfbk	Change In Fair Value ChangeInFairValue	13277000
CY2019	cfbk	Change In Fair Value ChangeInFairValue	3494000
CY2021Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	1598000
CY2020Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	1875000
CY2021Q4	us-gaap	Escrow Deposit EscrowDeposit	40000
CY2020Q4	us-gaap	Escrow Deposit EscrowDeposit	94000
CY2021Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	1406000
CY2020Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	1293000
CY2021Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	4414000
CY2020Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	4140000
CY2021Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2737000
CY2020Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2971000
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	8557000
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	8404000
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2688000
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4674000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5869000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3730000
CY2021	us-gaap	Depreciation Depreciation	435000
CY2020	us-gaap	Depreciation Depreciation	381000
CY2019	us-gaap	Depreciation Depreciation	316000
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y7M6D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0562
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	461000
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	393000
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	404000
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	292000
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	244000
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	231000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	692000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	553000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	458000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	209000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	114000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	275000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2301000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	269000
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	2032000
CY2021Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	508940000
CY2020Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	461401000
CY2021Q4	cfbk	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFdicInsuranceLimit	236056000
CY2020Q4	cfbk	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFdicInsuranceLimit	244840000
CY2021Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	398452000
CY2021Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	118836000
CY2021Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	43046000
CY2021Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	9597000
CY2021Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	14603000
CY2021Q4	us-gaap	Time Deposits TimeDeposits	584534000
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	278092000
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	168708000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	7500000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate One To Two Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate	0.0116
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	10000000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	10000000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Two To Three Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate	0.0092
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	3500000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	3500000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Three To Four Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate	0.0146
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	18500000
CY2021Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	132185000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	6500000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Four To Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate	0.0145
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	16000000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate After Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate	0.0169
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	17000000
CY2021Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	65000000
CY2020Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	27500000
CY2021Q4	cfbk	Federal Reserve Board Paycheck Protection Program Liquidity Facility Weighted Average Interest Rate FederalReserveBoardPaycheckProtectionProgramLiquidityFacilityWeightedAverageInterestRate	0.0035
CY2021Q4	cfbk	Federal Reserve Board Paycheck Protection Program Liquidity Facility Fixed Rate Other Debt FederalReserveBoardPaycheckProtectionProgramLiquidityFacilityFixedRateOtherDebt	450000
CY2020Q4	cfbk	Federal Reserve Board Paycheck Protection Program Liquidity Facility Fixed Rate Other Debt FederalReserveBoardPaycheckProtectionProgramLiquidityFacilityFixedRateOtherDebt	107413000
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	24277000
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	79513000
CY2021Q4	cfbk	Advances From Federal Home Loan Banks And Other Debt AdvancesFromFederalHomeLoanBanksAndOtherDebt	89727000
CY2020Q4	cfbk	Advances From Federal Home Loan Banks And Other Debt AdvancesFromFederalHomeLoanBanksAndOtherDebt	214426000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	242335000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	110951000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	178377000
CY2021Q4	cfbk	Federal Home Loan Bank Advances And Other Debt Maturities Summary Due In Next Twelve Months FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInNextTwelveMonths	10000000
CY2021Q4	cfbk	Federal Home Loan Bank Advances And Other Debt Maturities Summary Due In Year Two FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearTwo	3500000
CY2021Q4	cfbk	Federal Home Loan Bank Advances And Other Debt Maturities Summary Due In Year Three FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearThree	18500000
CY2021Q4	cfbk	Federal Home Loan Bank Advances And Other Debt Maturities Summary Due In Year Five FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryDueInYearFive	16000000
CY2021Q4	cfbk	Federal Home Loan Bank Advances And Other Debt Maturities Summary Total FederalHomeLoanBankAdvancesAndOtherDebtMaturitiesSummaryTotal	48000000
CY2020Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	125569000
CY2021Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	155000
CY2021	cfbk	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	112000
CY2020	cfbk	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	30000
CY2019	cfbk	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	30000
CY2021	cfbk	Income Tax Reconciliation Redemption Of Life Insurance Policies IncomeTaxReconciliationRedemptionOfLifeInsurancePolicies	80000
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3592000
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	9720000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2627000
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	773000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3045000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-187000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4365000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6675000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2440000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	4792000
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7619000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2529000
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-50000
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-19000
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-18000
CY2020	cfbk	Effective Income Tax Rate Reconciliation Historic Tax Credits Amount EffectiveIncomeTaxRateReconciliationHistoricTaxCreditsAmount	807000
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	154000
CY2020	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	106000
CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	59000
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-31000
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	18000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	18000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4365000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6675000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2440000
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.19
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.18
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.20
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2000
CY2021Q4	cfbk	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	404000
CY2020Q4	cfbk	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	291000
CY2020Q4	cfbk	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities	935000
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1000
CY2021Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	6977000
CY2021	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	2250000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	3336000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	3407000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	456000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1815000
CY2021Q4	cfbk	Deferred Tax Assets Loans Fees DeferredTaxAssetsLoansFees	184000
CY2020Q4	cfbk	Deferred Tax Assets Loans Fees DeferredTaxAssetsLoansFees	293000
CY2021Q4	cfbk	Deferred Tax Assets Nonaccrual Interest DeferredTaxAssetsNonaccrualInterest	60000
CY2020Q4	cfbk	Deferred Tax Assets Nonaccrual Interest DeferredTaxAssetsNonaccrualInterest	57000
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	364000
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	398000
CY2021Q4	cfbk	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	423000
CY2020Q4	cfbk	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	322000
CY2021Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Trading Securities DeferredTaxAssetsUnrealizedLossesOnTradingSecurities	39000
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	4862000
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	6292000
CY2021Q4	cfbk	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	226000
CY2020Q4	cfbk	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	226000
CY2021Q4	cfbk	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	82000
CY2020Q4	cfbk	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	15000
CY2021Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	105000
CY2020Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	76000
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	818000
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1545000
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	4044000
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	4747000
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	4044000
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	4747000
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	22500000
CY2021Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	22253000
CY2021	cfbk	Operating Loss Carryforwards Limitations On Use Amount OperatingLossCarryforwardsLimitationsOnUseAmount	163000
CY2021Q4	cfbk	Deferred Tax Assets Operating Loss Carryforwards That Will Expire Unutilized Federal DeferredTaxAssetsOperatingLossCarryforwardsThatWillExpireUnutilizedFederal	20520000
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	111000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	24996
CY2021Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Policyholders Surplus DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityPolicyholdersSurplus	473000
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	10277000
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	6113000
CY2021	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	2843000
CY2020	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	4193000
CY2021	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	2983000
CY2020	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	29000
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	10137000
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	10277000
CY2021Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	8282000
CY2020Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	3844000
CY2021	cfbk	Number Of Stock Based Compensation Plans NumberOfStockBasedCompensationPlans	2
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	707000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	711000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	527000
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	148000
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	149000
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	4545
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	90442
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.57
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	24996
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	7.42
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	1454
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	7.87
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	63992
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.43
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y6M
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	838000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	63992
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	7.43
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P1Y6M
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	838000
CY2019Q1	cfbk	Future Percent Common Equity Of Risk Weighted Assets FuturePercentCommonEquityOfRiskWeightedAssets	0.025
CY2019Q1	cfbk	Common Equity Tier1 Capital To Risk Weighted Assets Ratio CommonEquityTier1CapitalToRiskWeightedAssetsRatio	0.045
CY2019Q1	cfbk	Capital Conservation Buffer CapitalConservationBuffer	0.025
CY2019Q1	cfbk	Common Equity Tier1 Capital To Risk Weighted Assets Upon Full Implementation Ratio CommonEquityTier1CapitalToRiskWeightedAssetsUponFullImplementationRatio	0.070
CY2019Q1	cfbk	Tier1 Capital To Risk Weighted Assets Ratio Tier1CapitalToRiskWeightedAssetsRatio	0.060
CY2019Q1	cfbk	Tier1 Capital To Risk Weighted Assets Upon Full Implementation Ratio Tier1CapitalToRiskWeightedAssetsUponFullImplementationRatio	0.085
CY2019Q1	cfbk	Total Capital To Risk Weighted Assets Ratio TotalCapitalToRiskWeightedAssetsRatio	0.080
CY2019Q1	cfbk	Total Capital To Risk Weighted Assets Upon Full Implementation Ratio TotalCapitalToRiskWeightedAssetsUponFullImplementationRatio	0.105
CY2019Q1	cfbk	Minimum Leverage Ratio Based On Required Basel3 Rules MinimumLeverageRatioBasedOnRequiredBasel3Rules	0.040
CY2021Q4	us-gaap	Capital Capital	170392000
CY2021Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1402
CY2021Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	121512000
CY2021Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000
CY2021Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	155195000
CY2021Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1277
CY2021Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	97210000
CY2021Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0800
CY2021Q4	cfbk	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	155195000
CY2021Q4	cfbk	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1277
CY2021Q4	cfbk	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized	78983000
CY2021Q4	cfbk	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650
CY2021Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	155195000
CY2021Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.1129
CY2021Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	68730000
CY2021Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0500
CY2020Q4	us-gaap	Capital Capital	136683000
CY2020Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1431
CY2020Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	95522000
CY2020Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000
CY2020Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	124678000
CY2020Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1305
CY2020Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	76418000
CY2020Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0800
CY2020Q4	cfbk	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	124678000
CY2020Q4	cfbk	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1305
CY2020Q4	cfbk	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized	62089000
CY2020Q4	cfbk	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650
CY2020Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	124678000
CY2020Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0974
CY2020Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	63984000
CY2020Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0500
CY2021Q4	cfbk	Opening Balance In Liquidation Account OpeningBalanceInLiquidationAccount	14300000
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	538000
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	1944000
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	12000
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	538000
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1944000
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	12000
CY2019	cfbk	Net Gainloss Recognized Of Fair Value Of Yield Maintenance Provisions NetGainlossRecognizedOfFairValueOfYieldMaintenanceProvisions	0
CY2020	cfbk	Net Gainloss Recognized Of Fair Value Of Yield Maintenance Provisions NetGainlossRecognizedOfFairValueOfYieldMaintenanceProvisions	0
CY2021	cfbk	Net Gainloss Recognized Of Fair Value Of Yield Maintenance Provisions NetGainlossRecognizedOfFairValueOfYieldMaintenanceProvisions	0
CY2021	cfbk	Derivative Loans Sold Notional Amount DerivativeLoansSoldNotionalAmount	2358510000
CY2020	cfbk	Derivative Loans Sold Notional Amount DerivativeLoansSoldNotionalAmount	2229042000
CY2019	cfbk	Derivative Loans Sold Notional Amount DerivativeLoansSoldNotionalAmount	411257000
CY2021	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	21646000
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	61147000
CY2019	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	9603000
CY2021	cfbk	Gain Loss On Loans Held For Sale GainLossOnLoansHeldForSale	-8408000
CY2020	cfbk	Gain Loss On Loans Held For Sale GainLossOnLoansHeldForSale	7046000
CY2019	cfbk	Gain Loss On Loans Held For Sale GainLossOnLoansHeldForSale	1341000
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-7322000
CY2020	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-9895000
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-490000
CY2021	us-gaap	Nonoperating Gains Losses NonoperatingGainsLosses	5916000
CY2020	us-gaap	Nonoperating Gains Losses NonoperatingGainsLosses	58298000
CY2019	us-gaap	Nonoperating Gains Losses NonoperatingGainsLosses	10454000
CY2021	cfbk	Fixed Rate Loan Commitments Expiration Period FixedRateLoanCommitmentsExpirationPeriod	P60D
CY2021	us-gaap	Net Income Loss NetIncomeLoss	18453000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29608000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	9601000
CY2019	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	-219000
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	2280000
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	430000
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18453000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27328000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9390000
CY2021	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6605278
CY2020	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6072829
CY2019	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	4582997
CY2021	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	97122
CY2020	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	43732
CY2019	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	1532
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6508156
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6029097
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4581465
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.84
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.53
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.05
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18453000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27328000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9390000
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	18453000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	27328000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	9390000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6508156
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6029097
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4581465
CY2021	cfbk	Dilutive Effect Of Employee Stock Options Shares Used In Computation DilutiveEffectOfEmployeeStockOptionsSharesUsedInComputation	45169
CY2020	cfbk	Dilutive Effect Of Employee Stock Options Shares Used In Computation DilutiveEffectOfEmployeeStockOptionsSharesUsedInComputation	34158
CY2019	cfbk	Dilutive Effect Of Employee Stock Options Shares Used In Computation DilutiveEffectOfEmployeeStockOptionsSharesUsedInComputation	38620
CY2019	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	6947
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	97122
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	43732
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1532
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6650447
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6106987
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4628564
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.77
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.47
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.03
CY2021	dei	Auditor Firm AuditorFirmId	686

Files In Submission

Name	View Source	Status
0001070680-22-000008-index-headers.html	Edgar Link	pending
0001070680-22-000008-index.html	Edgar Link	pending
0001070680-22-000008.txt	Edgar Link	pending
0001070680-22-000008-xbrl.zip	Edgar Link	pending
cfbk-20211231.xsd	Edgar Link	pending
cfbk-20211231x10k.htm	Edgar Link	pending
cfbk-20211231x10k_htm.xml	Edgar Link	completed
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cfbk-20211231_cal.xml	Edgar Link	unprocessable
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$CFBK
CF BANKSHARES INC. Stock $cfbk

2021 Form 10-K Financial Statement

#000107068022000008 Filed on March 16, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CFBK CF BANKSHARES INC. Stock $cfbk

2021 Form 10-K Financial Statement

#000107068022000008 Filed on March 16, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CFBK
CF BANKSHARES INC. Stock $cfbk