$BFIN
BankFinancial CORP Stock $bfin

$bfin Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000143774922004758 Filed on March 01, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue		$46.57M	$12.54M
YoY Change		-11.93%	-20.27%
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	$542.0K	$2.072M	$460.0K
YoY Change	17.83%	15.69%	-152.27%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$2.794M	$947.0K
YoY Change		-60.02%	-69.5%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$2.890M	$9.758M	$3.634M
YoY Change	-20.47%	-23.53%	-21.41%
Income Tax	$519.0K	$2.348M	$1.189M
% Of Pretax Income	17.96%	24.06%	32.72%
Net Earnings	$2.371M	$7.410M	$2.445M
YoY Change	-3.03%	-19.13%	-28.09%
Net Earnings / Revenue		15.91%	19.49%
Basic Earnings Per Share		$0.53
Diluted Earnings Per Share	$178.9K	$528.1K	$0.17
COMMON SHARES
Basic Shares Outstanding	13.28M	14.03M	14.78M
Diluted Shares Outstanding

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$587.9M		$527.3M
YoY Change	11.48%		110.49%
Cash & Equivalents	$502.2M		$503.5M
Short-Term Investments	$85.69M		$23.83M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$25.04M	$29.92M	$24.68M
YoY Change	1.49%	0.57%	1.35%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$2.762M	$2.762M	$2.700M
YoY Change	2.3%	0.77%	-30.77%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.701B	$1.701B	$1.597B
YoY Change	6.5%	6.5%	7.31%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$17.33M	$17.33M	$12.60M
YoY Change	37.5%	37.25%	-1.56%
Accrued Expenses	$4.877M	$4.877M	$5.100M
YoY Change	-4.37%	-3.9%	-12.07%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$22.20M	$22.20M	$17.70M
YoY Change	25.44%	25.45%	-5.35%
LONG-TERM LIABILITIES
Long-Term Debt	$19.59M	$19.59M	$0.00
YoY Change
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$19.59M	$19.59M	$0.00
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities	$22.20M	$22.20M	$17.70M
Total Long-Term Liabilities	$19.59M	$19.59M	$0.00
Total Liabilities	$1.543B	$1.543B	$1.424B
YoY Change	8.38%	8.38%	8.39%
SHAREHOLDERS EQUITY
Retained Earnings	$66.55M		$64.75M
YoY Change	2.77%		5.17%
Common Stock	$132.0K		$148.0K
YoY Change	-10.81%		-3.27%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$157.5M	$157.5M	$172.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.701B	$1.701B	$1.597B
YoY Change	6.5%	6.5%	7.31%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$2.371M	$7.410M	$2.445M
YoY Change	-3.03%	-19.13%	-28.09%
Depreciation, Depletion And Amortization	$542.0K	$2.072M	$460.0K
YoY Change	17.83%	15.69%	-152.27%
Cash From Operating Activities	$5.846M	$7.768M	$4.930M
YoY Change	18.58%	-42.53%	-33.02%
INVESTING ACTIVITIES
Capital Expenditures	-$783.0K	-$2.335M	$880.0K
YoY Change	-188.98%	16.34%	388.89%
Acquisitions
YoY Change
Other Investing Activities	-$62.64M	-$98.80M	$81.70M
YoY Change	-176.67%	-149.13%	60.16%
Cash From Investing Activities	-$63.43M	-$101.1M	$80.83M
YoY Change	-178.47%	-150.8%	58.96%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$17.12M
YoY Change		271.41%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	31.13M	$92.03M	-11.92M
YoY Change	-361.13%	-8.5%	37.49%
NET CHANGE
Cash From Operating Activities	5.846M	$7.768M	4.930M
Cash From Investing Activities	-63.43M	-$101.1M	80.83M
Cash From Financing Activities	31.13M	$92.03M	-11.92M
Net Change In Cash	-26.45M	-$1.334M	73.84M
YoY Change	-135.82%	-100.43%	49.05%
FREE CASH FLOW
Cash From Operating Activities	$5.846M	$7.768M	$4.930M
Capital Expenditures	-$783.0K	-$2.335M	$880.0K
Free Cash Flow	$6.629M	$10.10M	$4.050M
YoY Change	63.68%	-34.92%	-43.59%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Auditor Firm AuditorFirmId	49
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	6715000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7751000	USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	13228485
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	14769765
CY2020	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	508699
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	1541280
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	0	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	USD
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0283	pure
CY2020Q4	bfin	Foreclosed Assets Gross ForeclosedAssetsGross	0	USD
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.50	pure
CY2021Q4	bfin	Foreclosed Assets Valuation Allowance ForeclosedAssetsValuationAllowance	227000	USD
CY2021Q4	us-gaap	Foreclosed Assets ForeclosedAssets	725000	USD
CY2021	bfin	Share Based Compensation And Postretirement Benefits Period Of Service Required For Eligibility ShareBasedCompensationAndPostretirementBenefitsPeriodOfServiceRequiredForEligibility	P1Y
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	0	USD
CY2020Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	14900000	USD
CY2020	bfin	Foreclosed Assets Valuation Adjustments ForeclosedAssetsValuationAdjustments	-0	USD
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	9095000	USD
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	14115000	USD
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	493067000	USD
CY2020Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	489381000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	502162000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	503496000	USD
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	85694000	USD
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	23829000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1044207000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1002578000	USD
CY2021Q4	us-gaap	Foreclosed Assets ForeclosedAssets	725000	USD
CY2020Q4	us-gaap	Foreclosed Assets ForeclosedAssets	157000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	7490000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	7490000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25043000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	24675000	USD
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	4648000	USD
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	3941000	USD
CY2021Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	19129000	USD
CY2020Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	19015000	USD
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	2762000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	2741000	USD
CY2021Q4	us-gaap	Other Assets OtherAssets	8822000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	8920000	USD
CY2021Q4	us-gaap	Assets Assets	1700682000	USD
CY2020Q4	us-gaap	Assets Assets	1596842000	USD
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	342176000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	326188000	USD
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1146255000	USD
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1067356000	USD
CY2021Q4	us-gaap	Deposits Deposits	1488431000	USD
CY2020Q4	us-gaap	Deposits Deposits	1393544000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	5000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	4000000	USD
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	19590000	USD
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	0	USD
CY2021Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	7993000	USD
CY2020Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	8670000	USD
CY2021Q4	bfin	Accrued Interest Payable And Other Liabilities AccruedInterestPayableAndOtherLiabilities	22202000	USD
CY2020Q4	bfin	Accrued Interest Payable And Other Liabilities AccruedInterestPayableAndOtherLiabilities	17698000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	1543216000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	1423912000	USD
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	132000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	148000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	90709000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	107815000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	66545000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	64754000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	80000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	213000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1700682000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	157466000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	172930000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1596842000	USD
CY2021	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	45188000	USD
CY2020	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	50467000	USD
CY2021	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	232000	USD
CY2020	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	854000	USD
CY2021	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1146000	USD
CY2020	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1554000	USD
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	46566000	USD
CY2020	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	52875000	USD
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2227000	USD
CY2020	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6988000	USD
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	567000	USD
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	0	USD
CY2021	us-gaap	Interest Expense InterestExpense	2794000	USD
CY2020	us-gaap	Interest Expense InterestExpense	6988000	USD
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	43772000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	45887000	USD
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1240000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	55000	USD
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	45012000	USD
CY2020	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	45832000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3184000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3196000	USD
CY2021	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	731000	USD
CY2020	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	552000	USD
CY2021	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	35000	USD
CY2020	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	98000	USD
CY2021	bfin	Noninterest Income From Trust NoninterestIncomeFromTrust	1136000	USD
CY2020	bfin	Noninterest Income From Trust NoninterestIncomeFromTrust	961000	USD
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	114000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	70000	USD
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	489000	USD
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	489000	USD
CY2021	us-gaap	Noninterest Income NoninterestIncome	5689000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	5366000	USD
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	22638000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	21323000	USD
CY2021	us-gaap	Occupancy Net OccupancyNet	7524000	USD
CY2020	us-gaap	Occupancy Net OccupancyNet	7271000	USD
CY2021	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	742000	USD
CY2020	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	591000	USD
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3083000	USD
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3360000	USD
CY2021	us-gaap	Professional Fees ProfessionalFees	1336000	USD
CY2020	us-gaap	Professional Fees ProfessionalFees	1356000	USD
CY2021	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1615000	USD
CY2020	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1232000	USD
CY2021	us-gaap	Noninterest Expense Transfer Agent And Custodian Fees NoninterestExpenseTransferAgentAndCustodianFees	52000	USD
CY2020	us-gaap	Noninterest Expense Transfer Agent And Custodian Fees NoninterestExpenseTransferAgentAndCustodianFees	146000	USD
CY2021	bfin	Revenue Expense From Foreclosed Operations RevenueExpenseFromForeclosedOperations	-364000	USD
CY2020	bfin	Revenue Expense From Foreclosed Operations RevenueExpenseFromForeclosedOperations	-17000	USD
CY2021	bfin	Federal Deposit Insurance Corporation Premium Expense Income FederalDepositInsuranceCorporationPremiumExpenseIncome	478000	USD
CY2020	bfin	Federal Deposit Insurance Corporation Premium Expense Income FederalDepositInsuranceCorporationPremiumExpenseIncome	348000	USD
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3111000	USD
CY2020	bfin	Foreclosed Assets Valuation Adjustments ForeclosedAssetsValuationAdjustments	-0	USD
CY2020	us-gaap	Profit Loss ProfitLoss	9163000	USD
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1240000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	55000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2072000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1791000	USD
CY2021	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	-87000	USD
CY2020	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	-541000	USD
CY2021	bfin	Gain Loss On Sale Of Foreclosed Assets GainLossOnSaleOfForeclosedAssets	24000	USD
CY2020	bfin	Gain Loss On Sale Of Foreclosed Assets GainLossOnSaleOfForeclosedAssets	22000	USD
CY2021	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-0	USD
CY2020	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-5000	USD
CY2021	bfin	Foreclosed Assets Valuation Adjustments ForeclosedAssetsValuationAdjustments	-420000	USD
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	114000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	70000	USD
CY2021	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-28000	USD
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-1137000	USD
CY2021	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	703000	USD
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-622000	USD
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2794000	USD
CY2021	us-gaap	Noninterest Expense NoninterestExpense	40943000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	38438000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9758000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12760000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2348000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3597000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	7410000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	9163000	USD
CY2021	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.53
CY2020	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.61
CY2021	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	14031198
CY2020	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	14951656
CY2021	us-gaap	Profit Loss ProfitLoss	7410000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	9163000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-182000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-18000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-49000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-5000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-133000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-13000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7277000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9150000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	174372000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	9163000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-13000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4610000	USD
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5982000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	172930000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	7410000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-133000	USD
CY2021	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	17122000	USD
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5619000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	157466000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	7410000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1130000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1300000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1298000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1005000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	7768000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	13517000	USD
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	20230000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	77762000	USD
CY2021	bfin	Proceeds From Principal Repayments Of Investments ProceedsFromPrincipalRepaymentsOfInvestments	1780000	USD
CY2020	bfin	Proceeds From Principal Repayments Of Investments ProceedsFromPrincipalRepaymentsOfInvestments	2691000	USD
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	79124000	USD
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	44113000	USD
CY2021	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	40190000	USD
CY2020	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-164666000	USD
CY2021	bfin	Payments For Loan Participation PaymentsForLoanParticipation	5000000	USD
CY2020	bfin	Payments For Loan Participation PaymentsForLoanParticipation	-0	USD
CY2021	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	3509000	USD
CY2020	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	73000	USD
CY2021	bfin	Payments To Acquire Premises And Equipment Net PaymentsToAcquirePremisesAndEquipmentNet	2335000	USD
CY2020	bfin	Payments To Acquire Premises And Equipment Net PaymentsToAcquirePremisesAndEquipmentNet	2007000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-101130000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	199072000	USD
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	94887000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	108787000	USD
CY2021	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1000000	USD
CY2020	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	3939000	USD
CY2021	bfin	Net Change In Advance Payments By Borrowers For Taxes And Insurance NetChangeInAdvancePaymentsByBorrowersForTaxesAndInsurance	-677000	USD
CY2020	bfin	Net Change In Advance Payments By Borrowers For Taxes And Insurance NetChangeInAdvancePaymentsByBorrowersForTaxesAndInsurance	-1552000	USD
CY2021	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	20000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	441000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	-0	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	17122000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4610000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5619000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5982000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	92028000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	100582000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1334000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	313171000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	503496000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	190325000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	502162000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	503496000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	2708000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	7035000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3416000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	191000	USD
CY2021	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	0	USD
CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	14000	USD
CY2021	bfin	Loans Transferred To Foreclosed Assets LoansTransferredToForeclosedAssets	4473000	USD
CY2020	bfin	Loans Transferred To Foreclosed Assets LoansTransferredToForeclosedAssets	33000	USD
CY2021	bfin	Payments Due To Broker PaymentsDueToBroker	4936000	USD
CY2020	bfin	Payments Due To Broker PaymentsDueToBroker	0	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	866000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	111000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i><b>Use of Estimates</b></i>: The preparation of the consolidated financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Although these estimates and assumptions are based on the best available information, actual information, and actual results could differ from those estimates.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p>
CY2021Q4	bfin	Factored Receivable Unpaid Principal Balance FactoredReceivableUnpaidPrincipalBalance	187000	USD
CY2021Q4	bfin	Factored Receivable Customer Reserves FactoredReceivableCustomerReserves	122000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2800000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2700000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	200000	USD
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i><b>Reclassifications</b></i>: Certain reclassifications have been made in the prior year’s financial statements to conform to the current year’s presentation. Reclassifications had <em style="font: inherit;">no</em> effect on prior year net income or stockholders’ equity.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p>
CY2021	us-gaap	Profit Loss ProfitLoss	7410000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	9163000	USD
CY2021	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	14031198
CY2020	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	14951656
CY2021	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.53
CY2020	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.61
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	85585000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	185000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	76000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	85694000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	23538000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	292000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	23829000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	2728000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	2728000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	76621000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	76553000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	79349000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	79281000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	85585000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	85694000	USD
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	1200000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	6715000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1050638000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1009958000	USD
CY2021Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	284000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	371000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	6715000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7751000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1044207000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1002578000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	30000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	6685000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	6715000	USD
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	2170000	USD
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1048468000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1050638000	USD
CY2021Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	284000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	6715000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1044207000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	28000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	7723000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7751000	USD
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	2534000	USD
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1007424000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1009958000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	371000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7751000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1002578000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7751000	USD
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1240000	USD
CY2021	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	132000	USD
CY2021	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	336000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7632000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	55000	USD
CY2020Q4	bfin	Financing Receivable Nonaccrual FinancingReceivableNonaccrual	1226000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1221000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2021Q4	bfin	Reserve For Uncollected Loan Interest ReserveForUncollectedLoanInterest	140000	USD
CY2020Q4	bfin	Reserve For Uncollected Loan Interest ReserveForUncollectedLoanInterest	133000	USD
CY2021Q4	bfin	Financing Receivable Nonaccrual FinancingReceivableNonaccrual	730000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1050638000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1009958000	USD
CY2020Q4	bfin	Financing Receivable Number Of Loans FinancingReceivableNumberOfLoans	30	pure
CY2020Q4	bfin	Financing Receivable Principal Balance FinancingReceivablePrincipalBalance	10337000	USD
CY2020Q4	bfin	Financing Receivable Principal Only Deferred Payments FinancingReceivablePrincipalOnlyDeferredPayments	53000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	USD
CY2021	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	pure
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	71000	USD
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	135000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7751000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	1880000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	1873000	USD
CY2021Q4	bfin	Impaired Financing Receivable With No Related Allowance Partial Charge Off ImpairedFinancingReceivableWithNoRelatedAllowancePartialChargeOff	7000	USD
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	1989000	USD
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	59000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	2160000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	2170000	USD
CY2021Q4	bfin	Impaired Financing Receivable Partial Charge Offs ImpairedFinancingReceivablePartialChargeOffs	14000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	30000	USD
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2285000	USD
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	59000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	2589000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	2238000	USD
CY2020Q4	bfin	Impaired Financing Receivable With No Related Allowance Partial Charge Off ImpairedFinancingReceivableWithNoRelatedAllowancePartialChargeOff	363000	USD
CY2020	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	2376000	USD
CY2020	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	73000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	2869000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	2534000	USD
CY2020Q4	bfin	Impaired Financing Receivable Partial Charge Offs ImpairedFinancingReceivablePartialChargeOffs	363000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	28000	USD
CY2020	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2665000	USD
CY2020	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	73000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	740000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	10000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1050638000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1009958000	USD
CY2021Q4	bfin	Other Real Estate Owned Gross OtherRealEstateOwnedGross	0	USD
CY2021Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	-0	USD
CY2021Q4	us-gaap	Other Real Estate OtherRealEstate	0	USD
CY2020Q4	bfin	Other Real Estate Owned Gross OtherRealEstateOwnedGross	157000	USD
CY2020Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	-0	USD
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	157000	USD
CY2021Q4	bfin	Other Foreclosed Assets Gross OtherForeclosedAssetsGross	952000	USD
CY2021Q4	bfin	Other Foreclosed Assets Valuation Allowance Ending Balance OtherForeclosedAssetsValuationAllowanceEndingBalance	227000	USD
CY2021Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	725000	USD
CY2020Q4	bfin	Other Foreclosed Assets Gross OtherForeclosedAssetsGross	0	USD
CY2020Q4	bfin	Other Foreclosed Assets Valuation Allowance Ending Balance OtherForeclosedAssetsValuationAllowanceEndingBalance	-0	USD
CY2020Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	0	USD
CY2021Q4	bfin	Other Real Estate Owned And Other Foreclosed Assets Gross OtherRealEstateOwnedAndOtherForeclosedAssetsGross	952000	USD
CY2021Q4	bfin	Real Estate Owned And Other Foreclosed Assets Valuation Allowance Ending Balance RealEstateOwnedAndOtherForeclosedAssetsValuationAllowanceEndingBalance	227000	USD
CY2021Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	725000	USD
CY2020Q4	bfin	Other Real Estate Owned And Other Foreclosed Assets Gross OtherRealEstateOwnedAndOtherForeclosedAssetsGross	157000	USD
CY2020Q4	bfin	Real Estate Owned And Other Foreclosed Assets Valuation Allowance Ending Balance RealEstateOwnedAndOtherForeclosedAssetsValuationAllowanceEndingBalance	-0	USD
CY2020Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	157000	USD
CY2020Q4	us-gaap	Foreclosed Assets ForeclosedAssets	157000	USD
CY2019Q4	us-gaap	Foreclosed Assets ForeclosedAssets	186000	USD
CY2021	bfin	Foreclosed Assets Additions ForeclosedAssetsAdditions	4473000	USD
CY2020	bfin	Foreclosed Assets Additions ForeclosedAssetsAdditions	33000	USD
CY2021	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	0	USD
CY2020	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	47000	USD
CY2021	bfin	Foreclosed Assets Valuation Adjustments ForeclosedAssetsValuationAdjustments	-420000	USD
CY2020	bfin	Foreclosed Assets Valuation Adjustments ForeclosedAssetsValuationAdjustments	0	USD
CY2021	bfin	Foreclosed Assets Valuation Reductions From Sales ForeclosedAssetsValuationReductionsFromSales	193000	USD
CY2020	bfin	Foreclosed Assets Valuation Reductions From Sales ForeclosedAssetsValuationReductionsFromSales	0	USD
CY2021	bfin	Foreclosed Assets Disposals ForeclosedAssetsDisposals	3678000	USD
CY2020	bfin	Foreclosed Assets Disposals ForeclosedAssetsDisposals	109000	USD
CY2021Q4	us-gaap	Foreclosed Assets ForeclosedAssets	725000	USD
CY2020Q4	us-gaap	Foreclosed Assets ForeclosedAssets	157000	USD
CY2020Q4	bfin	Foreclosed Assets Valuation Allowance ForeclosedAssetsValuationAllowance	0	USD
CY2019Q4	bfin	Foreclosed Assets Valuation Allowance ForeclosedAssetsValuationAllowance	0	USD
CY2021	bfin	Foreclosed Assets Valuation Allowance Valuation Increase ForeclosedAssetsValuationAllowanceValuationIncrease	420000	USD
CY2020	bfin	Foreclosed Assets Valuation Allowance Valuation Increase ForeclosedAssetsValuationAllowanceValuationIncrease	0	USD
CY2021	bfin	Foreclosed Assets Valuation Allowance Amounts Applied ForeclosedAssetsValuationAllowanceAmountsApplied	193000	USD
CY2020	bfin	Foreclosed Assets Valuation Allowance Amounts Applied ForeclosedAssetsValuationAllowanceAmountsApplied	-0	USD
CY2021Q4	bfin	Foreclosed Assets Valuation Allowance ForeclosedAssetsValuationAllowance	227000	USD
CY2020Q4	bfin	Foreclosed Assets Valuation Allowance ForeclosedAssetsValuationAllowance	0	USD
CY2021Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	73000	USD
CY2020Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	187000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	59264000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	58043000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	34221000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	33368000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25043000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	24675000	USD
CY2021	us-gaap	Depreciation Depreciation	2000000.0	USD
CY2020	us-gaap	Depreciation Depreciation	1700000	USD
CY2021Q4	bfin	Operating Lease Right Of Use Asset Gross OperatingLeaseRightOfUseAssetGross	6805000	USD
CY2020Q4	bfin	Operating Lease Right Of Use Asset Gross OperatingLeaseRightOfUseAssetGross	6694000	USD
CY2021	bfin	Rightofuse Asset Obtained In Exchange For Lease Obligations In Other Assets And Other Liabilities RightofuseAssetObtainedInExchangeForLeaseObligationsInOtherAssetsAndOtherLiabilities	866000	USD
CY2020	bfin	Rightofuse Asset Obtained In Exchange For Lease Obligations In Other Assets And Other Liabilities RightofuseAssetObtainedInExchangeForLeaseObligationsInOtherAssetsAndOtherLiabilities	111000	USD
CY2021Q4	bfin	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	2794000	USD
CY2020Q4	bfin	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	1730000	USD
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1100000	USD
CY2020	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	882000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	1064000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	882000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	161000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	152000	USD
CY2021	us-gaap	Sublease Income SubleaseIncome	38000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	74000	USD
CY2021	us-gaap	Lease Cost LeaseCost	1187000	USD
CY2020	us-gaap	Lease Cost LeaseCost	960000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	1110000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	948000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	1294000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	1241000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	656000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	506000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	495000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	1722000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	5914000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1037000	USD
CY2021Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	342176000	USD
CY2020Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	326188000	USD
CY2021Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	404335000	USD
CY2020Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	336994000	USD
CY2021Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	333369000	USD
CY2020Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	297801000	USD
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	201633000	USD
CY2020Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	179561000	USD
CY2021Q4	bfin	Certificates Of Deposit Fair Value Disclosure CertificatesOfDepositFairValueDisclosure	206918000	USD
CY2020Q4	bfin	Certificates Of Deposit Fair Value Disclosure CertificatesOfDepositFairValueDisclosure	253000000	USD
CY2021Q4	us-gaap	Deposits Deposits	1488431000	USD
CY2020Q4	us-gaap	Deposits Deposits	1393544000	USD
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	22500000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	30700000	USD
CY2021Q4	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	3500000	USD
CY2020Q4	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	7200000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	167415000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	29819000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	9428000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	211000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	45000	USD
CY2021Q4	us-gaap	Time Deposits TimeDeposits	206918000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Interest Rate FederalHomeLoanBankAdvancesInterestRate	0	pure
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate Under One Year FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateUnderOneYear	5000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Interest Rate FederalHomeLoanBankAdvancesInterestRate	0	pure
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate Under One Year FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateUnderOneYear	4000000	USD
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	19590000	USD
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	0	USD
CY2021Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0250	pure
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2020Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0250	pure
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	274800000	USD
CY2021Q4	bfin	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Pledgeable Us Treasury Notes FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfPledgeableUsTreasuryNotes	75000000.0	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	0	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2320000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2460000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	28000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1137000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2348000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3597000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2048000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2680000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	504000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	720000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-4000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-3000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-200000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	200000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2348000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3597000	USD
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2407	pure
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2818	pure
CY2021Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	14900000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1798000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	2075000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	3938000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	3999000	USD
CY2021Q4	bfin	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	1306000	USD
CY2020Q4	bfin	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	1358000	USD
CY2021Q4	bfin	Community Bank Leverage Ratio Actual Amount CommunityBankLeverageRatioActualAmount	165599	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	854000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	568000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	7896000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	8000000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	808000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	873000	USD
CY2021Q4	bfin	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	1516000	USD
CY2020Q4	bfin	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	1570000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	1306000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	1358000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1475000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1180000	USD
CY2021Q4	bfin	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities	29000	USD
CY2020Q4	bfin	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities	78000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5134000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5059000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	-0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	200000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2762000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2741000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2800000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2700000	USD
CY2021Q4	bfin	Tax Credit Carryforwards Alternative Minimum Tax Not Subject To Expiration TaxCreditCarryforwardsAlternativeMinimumTaxNotSubjectToExpiration	225000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	277000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	244000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	34000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	61000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	10000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	38000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	30000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	283000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	277000	USD
CY2021Q4	bfin	Community Bank Leverage Ratio Actual CommunityBankLeverageRatioActual	0.0991	pure
CY2021Q4	bfin	Community Bank Leverage Ratio Capital Adequacy Minimum CommunityBankLeverageRatioCapitalAdequacyMinimum	142091	USD
CY2021Q4	bfin	Community Bank Capital Adequacy Minimum CommunityBankCapitalAdequacyMinimum	0.0850	pure
CY2020Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	160236	USD
CY2020Q4	bfin	Community Bank Leverage Ratio Actual CommunityBankLeverageRatioActual	0.1010	pure
CY2020Q4	bfin	Community Bank Leverage Ratio Capital Adequacy Minimum CommunityBankLeverageRatioCapitalAdequacyMinimum	126964	USD
CY2020Q4	bfin	Community Bank Capital Adequacy Minimum CommunityBankCapitalAdequacyMinimum	0.0800	pure
CY2021	bfin	Share Based Compensation And Postretirement Benefits Minimum Age Of Employee ShareBasedCompensationAndPostretirementBenefitsMinimumAgeOfEmployee	P21Y
CY2021	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.06	pure
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	345000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	331000	USD
CY2021	bfin	Commitments To Extend Credit Duration Of Extension CommitmentsToExtendCreditDurationOfExtension	P60D
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	85694000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	23829000	USD
CY2021Q4	bfin	Impaired Loans Fair Value Disclosure ImpairedLoansFairValueDisclosure	297000	USD
CY2021Q4	bfin	Impaired Loans Valuation Allowance ImpairedLoansValuationAllowance	30000	USD
CY2020Q4	bfin	Impaired Loans Fair Value Disclosure ImpairedLoansFairValueDisclosure	296000	USD
CY2020Q4	bfin	Impaired Loans Valuation Allowance ImpairedLoansValuationAllowance	28000	USD
CY2021	bfin	Increase Decrease In Impaired Loans Valuation Allowance IncreaseDecreaseInImpairedLoansValuationAllowance	2000	USD
CY2021Q4	bfin	Foreclosed Assets Gross ForeclosedAssetsGross	952000	USD
CY2021	bfin	Foreclosed Assets Valuation Adjustments ForeclosedAssetsValuationAdjustments	-420000	USD
CY2021	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	731000	USD
CY2020	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	552000	USD
CY2021	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	35000	USD
CY2020	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	98000	USD
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	114000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	70000	USD
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	489000	USD
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	489000	USD
CY2021	us-gaap	Noninterest Income NoninterestIncome	5689000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	5366000	USD

Files In Submission

Name	View Source	Status
0001437749-22-004758-index-headers.html	Edgar Link	pending
0001437749-22-004758-index.html	Edgar Link	pending
0001437749-22-004758.txt	Edgar Link	pending
0001437749-22-004758-xbrl.zip	Edgar Link	pending
bfin-20211231.xsd	Edgar Link	pending
bfin-20211231_cal.xml	Edgar Link	unprocessable
bfin-20211231_def.xml	Edgar Link	unprocessable
bfin-20211231_lab.xml	Edgar Link	unprocessable
bfin-20211231_pre.xml	Edgar Link	unprocessable
bfin20211231_10k.htm	Edgar Link	pending
bfin20211231_10k_htm.xml	Edgar Link	completed
ex_274196.htm	Edgar Link	pending
ex_274197.htm	Edgar Link	pending
ex_274198.htm	Edgar Link	pending
ex_274199.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$BFIN
BankFinancial CORP Stock $bfin

2021 Q4 Form 10-K Financial Statement

#000143774922004758 Filed on March 01, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BFIN BankFinancial CORP Stock $bfin

2021 Q4 Form 10-K Financial Statement

#000143774922004758 Filed on March 01, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BFIN
BankFinancial CORP Stock $bfin