$BCOW
1895 Bancorp of Wisconsin, Inc. /MD/ Stock $bcow

$bcow Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000095017024038577 Filed on March 29, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$6.033M		$20.86M
YoY Change	28.03%		26.87%
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	$118.0K	$122.0K	$492.0K
YoY Change	-7.81%	-10.29%	-18.0%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$2.970M		$8.544M
YoY Change	101.08%		329.13%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$406.0K	-$2.895M	-$6.404M
YoY Change	-20.7%	-11680.0%	1907.52%
Income Tax	-$100.0K	-$613.0K	-$1.512M
% Of Pretax Income
Net Earnings	-$306.0K	-$2.282M	-$6.792M
YoY Change	-15.24%	-9608.33%	4489.19%
Net Earnings / Revenue	-5.07%		-32.57%
Basic Earnings Per Share	-$0.06		-$1.23
Diluted Earnings Per Share	-$0.06	-$0.41	-$1.22
COMMON SHARES
Basic Shares Outstanding	6.015M	6.110M	5.534M
Diluted Shares Outstanding	5.468M		5.534M

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$26.98M	$16.88M
YoY Change	-16.18%	-46.03%
Cash & Equivalents	$23.00M	$13.25M
Short-Term Investments	$3.976M	$3.625M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$5.086M	$5.182M	$5.182M
YoY Change	-5.87%	-4.93%	-4.93%
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	$564.2M	$557.6M	$557.6M
YoY Change	2.3%	2.69%	2.69%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.239M	$1.106M	$1.106M
YoY Change	152.86%	280.07%	280.07%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.239M	$1.106M	$1.106M
YoY Change	152.86%	280.07%	280.07%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$12.20M	$9.050M	$9.050M
YoY Change	8.8%	10.66%	10.66%
Total Long-Term Liabilities	$12.20M	$9.050M	$9.050M
YoY Change	8.8%	10.66%	10.66%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.239M	$1.106M	$1.106M
Total Long-Term Liabilities	$12.20M	$9.050M	$9.050M
Total Liabilities	$492.7M	$484.8M	$484.8M
YoY Change	3.59%	3.68%	3.68%
SHAREHOLDERS EQUITY
Retained Earnings	$33.59M	$33.89M
YoY Change	-16.71%	-18.27%
Common Stock	$60.00K	$61.00K
YoY Change	-3.23%	-1.61%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$295.0K	$295.0K
YoY Change	-1.99%	-1.99%
Treasury Stock Shares
Shareholders Equity	$71.51M	$72.76M	$72.76M
YoY Change
Total Liabilities & Shareholders Equity	$564.2M	$557.6M	$557.6M
YoY Change	2.3%	2.69%	2.69%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	-$306.0K	-$2.282M	-$6.792M
YoY Change	-15.24%	-9608.33%	4489.19%
Depreciation, Depletion And Amortization	$118.0K	$122.0K	$492.0K
YoY Change	-7.81%	-10.29%	-18.0%
Cash From Operating Activities	-$398.0K	-$389.0K	-$709.0K
YoY Change	-63.39%	-146.81%	-127.43%
INVESTING ACTIVITIES
Capital Expenditures	$22.00K	$62.00K	$812.0K
YoY Change	-72.5%	148.0%	334.22%
Acquisitions
YoY Change
Other Investing Activities	$3.434M	-$12.83M	-$28.51M
YoY Change	-159.87%	1888.84%	-48.12%
Cash From Investing Activities	$3.412M	-$12.89M	-$29.32M
YoY Change	-158.67%	1823.88%	-46.83%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			-$774.0K
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	6.738M	-75.00K	14.94M
YoY Change	-11.04%	-100.6%	5.94%
NET CHANGE
Cash From Operating Activities	-398.0K	-389.0K	-709.0K
Cash From Investing Activities	3.412M	-12.89M	-29.32M
Cash From Financing Activities	6.738M	-75.00K	14.94M
Net Change In Cash	9.752M	-13.35M	-15.09M
YoY Change	1353.35%	-205.63%	-60.75%
FREE CASH FLOW
Cash From Operating Activities	-$398.0K	-$389.0K	-$709.0K
Capital Expenditures	$22.00K	$62.00K	$812.0K
Free Cash Flow	-$420.0K	-$451.0K	-$1.521M
YoY Change	-64.01%	-155.96%	-163.43%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001847360
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2023#AccountingStandardsUpdate201613Member
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CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-40609
CY2023	dei	Entity Registrant Name EntityRegistrantName	1895 BANCORP OF WISCONSIN, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	61-1993378
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	7001 West Edgerton Avenue
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenfield
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	WI
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	53220
CY2023	dei	City Area Code CityAreaCode	414
CY2023	dei	Local Phone Number LocalPhoneNumber	421-8200
CY2023	dei	Security12b Title Security12bTitle	Common stock, par value $0.01 per share
CY2023	dei	Trading Symbol TradingSymbol	BCOW
CY2023	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	true
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
CY2023	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
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CY2023	dei	Entity Shell Company EntityShellCompany	false
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CY2023	dei	Auditor Firm AuditorFirmId	344
CY2023	dei	Auditor Name AuditorName	Wipfli LLP
CY2023	dei	Auditor Location AuditorLocation	Atlanta, Georgia
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CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5451000
CY2023Q4	bcow	Mortgage Servicing Rights Net MortgageServicingRightsNet	1720000
CY2022Q4	bcow	Mortgage Servicing Rights Net MortgageServicingRightsNet	1860000
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	4164000
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CY2022	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-15935000
CY2023	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	1309000
CY2022	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-4302000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4936000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-11633000
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1856000
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-11781000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	90893000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-148000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-11633000
CY2022	bcow	Reimbursement Of Stock Offering Costs ReimbursementOfStockOfferingCosts	-2000
CY2022	us-gaap	Employee Stock Ownership Plan Esop Shares Contributed To Esop EmployeeStockOwnershipPlanESOPSharesContributedToESOP	96446
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1062000
CY2022	bcow	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares During Period EmployeeStockOwnershipPlanEsopNumberOfCommittedToBeReleasedSharesDuringPeriod	19730
CY2022	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	200000
CY2022	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Shares Stock Repurchase Program Shares AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfSharesStockRepurchaseProgramShares	296918
CY2022	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Shares Stock Repurchase Program Value AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfSharesStockRepurchaseProgramValue	-3173000
CY2022	bcow	Adjustments To Additional Paid In Capital Purchase And Retirement Of Common Stock AdjustmentsToAdditionalPaidInCapitalPurchaseAndRetirementOfCommonStock	-81000
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	363000
CY2022	bcow	Adjustment To Retained Earnings Transactional Rounding AdjustmentToRetainedEarningsTransactionalRounding	1000
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	75362000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-6792000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4936000
CY2023	bcow	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares During Period EmployeeStockOwnershipPlanEsopNumberOfCommittedToBeReleasedSharesDuringPeriod	19730
CY2023	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	129000
CY2023	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Common Stock Stock Repurchase Program Shares AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramShares	93877
CY2023	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Common Stock Stock Repurchase Program Value AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramValue	-702000
CY2023	bcow	Treasury Stock Value Issued Cost Method TreasuryStockValueIssuedCostMethod	6000
CY2023	bcow	Adjustments To Additional Paid In Capital Purchase And Retirement Of Common Stock AdjustmentsToAdditionalPaidInCapitalPurchaseAndRetirementOfCommonStock	-91000
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	3159
CY2023	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	19000
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	678000
CY2023	bcow	Adjustment To Retained Earnings Transactional Rounding AdjustmentToRetainedEarningsTransactionalRounding	-1000
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	72761000
CY2023	us-gaap	Profit Loss ProfitLoss	-6792000
CY2022	us-gaap	Profit Loss ProfitLoss	-148000
CY2023	bcow	Net Amortization From Investment Securities NetAmortizationFromInvestmentSecurities	81000
CY2022	bcow	Net Amortization From Investment Securities NetAmortizationFromInvestmentSecurities	145000
CY2023	us-gaap	Depreciation Depreciation	492000
CY2022	us-gaap	Depreciation Depreciation	600000
CY2023	bcow	Provision Credit For Loan Losses ProvisionCreditForLoanLosses	300000
CY2022	bcow	Provision Credit For Loan Losses ProvisionCreditForLoanLosses	222000
CY2023	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	110000
CY2023	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	663000
CY2022	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-714000
CY2023	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	-4529000
CY2023	bcow	Stock Compensation Expense StockCompensationExpense	678000
CY2022	bcow	Stock Compensation Expense StockCompensationExpense	363000
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	388000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-171000
CY2023	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	12445000
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	21941000
CY2023	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	12056000
CY2022	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	23634000
CY2023	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	190000
CY2022	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	310000
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	129000
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	200000
CY2023	us-gaap	Increase Decrease In Insurance Settlements Receivable IncreaseDecreaseInInsuranceSettlementsReceivable	432000
CY2022	us-gaap	Increase Decrease In Insurance Settlements Receivable IncreaseDecreaseInInsuranceSettlementsReceivable	424000
CY2023	bcow	Increase Decrease In Mortgage Servicing Rights IncreaseDecreaseInMortgageServicingRights	-140000
CY2022	bcow	Increase Decrease In Mortgage Servicing Rights IncreaseDecreaseInMortgageServicingRights	-176000
CY2023	bcow	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	-556000
CY2022	bcow	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	520000
CY2023	bcow	Increase Decrease In Accrued Interest Payable And Other Liabilities IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities	574000
CY2022	bcow	Increase Decrease In Accrued Interest Payable And Other Liabilities IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities	45000
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-709000
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2585000
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	44437000
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	12479000
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	19006000
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	50349000
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	37138000
CY2023	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	100000
CY2022	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	94000
CY2023	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	35728000
CY2022	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	36331000
CY2023	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	735000
CY2022	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	397000
CY2023	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	721000
CY2023	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	699000
CY2023	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	68000
CY2023	bcow	Payments For Proceeds From Acquire Property Plant And Equipment PaymentsForProceedsFromAcquirePropertyPlantAndEquipment	-812000
CY2022	bcow	Payments For Proceeds From Acquire Property Plant And Equipment PaymentsForProceedsFromAcquirePropertyPlantAndEquipment	-187000
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-29320000
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-55141000
CY2023	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	15962000
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	3220000
CY2023	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	204000
CY2022	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-831000
CY2023	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	108500000
CY2022	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	37000000
CY2023	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	108957000
CY2022	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	20978000
CY2022	bcow	Reimbursement Of Stock Offering Costs ReimbursementOfStockOfferingCosts	-2000
CY2023	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	19000
CY2023	bcow	Repurchase And Cancellation Of Common Stock RepurchaseAndCancellationOfCommonStock	702000
CY2022	bcow	Repurchase And Cancellation Of Common Stock RepurchaseAndCancellationOfCommonStock	3173000
CY2023	bcow	Purchase And Retirement Of Common Stock PurchaseAndRetirementOfCommonStock	91000
CY2022	bcow	Purchase And Retirement Of Common Stock PurchaseAndRetirementOfCommonStock	81000
CY2022	bcow	Payments To Repurchase Shares Under Employee Stock Ownership Plan PaymentsToRepurchaseSharesUnderEmployeeStockOwnershipPlan	1062000
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	14935000
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	14097000
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-15094000
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-38459000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	28344000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	66803000
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	13250000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	28344000
CY2023	us-gaap	Interest Paid Net InterestPaidNet	7729000
CY2022	us-gaap	Interest Paid Net InterestPaidNet	1809000
CY2022	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	325000
CY2022	bcow	Change In Right Of Use Lease Asset And Liability ChangeInRightOfUseLeaseAssetAndLiability	528000
CY2023Q4	bcow	Common Stock Held By Public CommonStockHeldByPublic	1
CY2023	bcow	Reorganization Cost And Issuing Of Common Stock Deferred ReorganizationCostAndIssuingOfCommonStockDeferred	2000000
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Use of Estimates</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;min-width:fit-content;">In preparing consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”), management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for credit losses, mortgage servicing rights, the fair values of financial instruments, and the valuation of deferred income tax assets.</span></p>
CY2023	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	663000
CY2022	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-714000
CY2023Q4	bcow	Accrued Interest On Securities Available For Sale AccruedInterestOnSecuritiesAvailableForSale	473000
CY2022Q4	bcow	Accrued Interest On Securities Available For Sale AccruedInterestOnSecuritiesAvailableForSale	382000
CY2023	us-gaap	Debt Securities Available For Sale Accrued Interest Writeoff DebtSecuritiesAvailableForSaleAccruedInterestWriteoff	0
CY2022	us-gaap	Debt Securities Available For Sale Accrued Interest Writeoff DebtSecuritiesAvailableForSaleAccruedInterestWriteoff	0
CY2023	bcow	Uncertain Principal Collection Written Off Period UncertainPrincipalCollectionWrittenOffPeriod	P90D
CY2023Q4	bcow	Accrued Interest On Loans Excluded From Amortized Cost Basis Of Loan AccruedInterestOnLoansExcludedFromAmortizedCostBasisOfLoan	1100000
CY2022Q4	bcow	Accrued Interest On Loans Excluded From Amortized Cost Basis Of Loan AccruedInterestOnLoansExcludedFromAmortizedCostBasisOfLoan	874000
CY2023Q4	us-gaap	Foreclosed Assets ForeclosedAssets	0
CY2022Q4	us-gaap	Foreclosed Assets ForeclosedAssets	0
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	14968000
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	119055000
CY2023	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	951000
CY2022	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Reclassifications</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;min-width:fit-content;">Certain reclassifications have been made to the 2022 consolidated financial statements to conform to the 2023 classifications.</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Subsequent events</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;min-width:fit-content;">Management has reviewed the Company’s operations for potential disclosure or financial statement impacts related to events occurring after December 31, 2023, but prior to the release of these consolidated financial statements.</span><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;min-width:fit-content;">There were no additional subsequent event disclosures or financial statement impacts related to events occurring after December 31, 2023</span><span style="color:#000000;white-space:pre-wrap;font-size:9.5pt;font-family:Times New Roman;min-width:fit-content;"> that warranted adjustment to or disclosure in these consolidated financial statements.</span></p>
CY2023Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	119055000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	308000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	9804000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	109559000
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	130233000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	15747000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	114492000
CY2023Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	426000
CY2022Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	3600000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	830000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	821000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1070000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1054000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	12774000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	10645000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	3114000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	2448000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	17788000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	109559000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3734000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3203000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	394834000
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	359574000
CY2023Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	78000
CY2022Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	98000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1740000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5000
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	57441000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	9799000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	59181000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	9804000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	30114000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1786000
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	83955000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	13961000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	114069000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	15747000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	48
CY2023Q4	bcow	Debt Securities Available For Sale Unrealized Loss Position Aggregate Depreciation DebtSecuritiesAvailableForSaleUnrealizedLossPositionAggregateDepreciation	0.142
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	44437000
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	4529000
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-4529000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	397714000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	361947000
CY2023Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	854000
CY2022Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	830000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3203000
CY2023	bcow	Cecl Adoption Adjustment CeclAdoptionAdjustment	412000
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	10000
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	39000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3734000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2858000
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	222000
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	10000
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	133000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3203000
CY2023	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	300000
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	222000
CY2023Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	53426000
CY2023Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	106395000
CY2023Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	80293000
CY2023Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	57846000
CY2023Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	14153000
CY2023Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	56620000
CY2023Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	28274000
CY2023Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	707000
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	397714000
CY2023Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	396941000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	397714000
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	359876000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	361947000
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2022Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1110000
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	769000
CY2023Q4	us-gaap	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Loans LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans	0.0028
CY2022Q4	us-gaap	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Loans LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans	0.0021
CY2023Q4	bcow	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Assets LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets	0.002
CY2022Q4	bcow	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Assets LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets	0.0014
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1100000
CY2023	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0
CY2023Q4	bcow	Financing Receivable Recorded Investment Nonaccrual Status Accrued Interest Reversed FinancingReceivableRecordedInvestmentNonaccrualStatusAccruedInterestReversed	11000
CY2023Q4	bcow	Collateral Dependent Loans CollateralDependentLoans	6666000
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	4497000
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	357450000
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	361947000
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	3203000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3203000
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	4497000
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	4771000
CY2022	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	6325000
CY2022	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	344000
CY2022Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	4497000
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	4771000
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	0
CY2022	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	6325000
CY2022	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	344000
CY2022Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	538000
CY2022Q4	bcow	Financing Receivable Modifications Recorded Investment Nonaccrual Amount FinancingReceivableModificationsRecordedInvestmentNonaccrualAmount	183000
CY2022	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	0
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	15156000
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	15148000
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9974000
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9697000
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5182000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5451000
CY2023	us-gaap	Depreciation Depreciation	492000
CY2022	us-gaap	Depreciation Depreciation	600000
CY2023Q4	us-gaap	Lessee Operating Lease Remaining Lease Term LesseeOperatingLeaseRemainingLeaseTerm	P3Y1M6D
CY2023	us-gaap	Lessee Operating Lease Existence Of Option To Extend LesseeOperatingLeaseExistenceOfOptionToExtend	true
CY2023	bcow	Operating Lease Extension Option Term OperatingLeaseExtensionOptionTerm	P3Y
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	282000
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	282000
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	87000
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	85000
CY2023	us-gaap	Lease Cost LeaseCost	87000
CY2022	us-gaap	Lease Cost LeaseCost	85000
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y1M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P1Y2M12D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.017
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0179
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	89000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	91000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	93000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	16000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	289000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7000
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	282000
CY2023Q4	bcow	Unpaid Principal Balance Of Loans Serviced For Others UnpaidPrincipalBalanceOfLoansServicedForOthers	282200000
CY2022Q4	bcow	Unpaid Principal Balance Of Loans Serviced For Others UnpaidPrincipalBalanceOfLoansServicedForOthers	304300000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1860000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2036000
CY2023	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	52000
CY2022	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	68000
CY2023	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	192000
CY2022	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	244000
CY2023Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1720000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1860000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3376000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2477000
CY2023Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3269000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3376000
CY2023Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0
CY2022Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	206000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	190000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	170000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	149000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	128000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	877000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1720000
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	78476000
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	92465000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	28899000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	32514000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	88687000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	121215000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	46473000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	61969000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	161148000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	79558000
CY2023Q4	us-gaap	Deposits Deposits	403683000
CY2022Q4	us-gaap	Deposits Deposits	387721000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2023Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000
CY2022Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000
CY2023Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	31300000
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	8900000
CY2023	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	272000
CY2022	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	76000
CY2023	us-gaap	Interest Expense Domestic Deposit Liabilities Money Market InterestExpenseDomesticDepositLiabilitiesMoneyMarket	2029000
CY2022	us-gaap	Interest Expense Domestic Deposit Liabilities Money Market InterestExpenseDomesticDepositLiabilitiesMoneyMarket	565000
CY2023	us-gaap	Interest Expense Domestic Deposit Liabilities Savings InterestExpenseDomesticDepositLiabilitiesSavings	25000
CY2022	us-gaap	Interest Expense Domestic Deposit Liabilities Savings InterestExpenseDomesticDepositLiabilitiesSavings	33000
CY2023	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	4020000
CY2022	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	442000
CY2023	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6346000
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1116000
CY2023Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	127907000
CY2023Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	20710000
CY2023Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	12218000
CY2023Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	236000
CY2023Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	77000
CY2023Q4	us-gaap	Time Deposits TimeDeposits	161148000
CY2023Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	71007000
CY2022Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	71464000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Next Twelve Rolling Months FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths	0.051
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	14979000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Two FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearTwo	0.0112
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	2002000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Three FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearThree	0.0267
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	4524000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Four FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFour	0.0238
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	7047000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Five FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFive	0.0326
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	19570000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing After Rolling Year Five FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingAfterRollingYearFive	0.0129
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	22885000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate FederalHomeLoanBankAdvancesWeightedAverageInterestRate	0.0283
CY2023Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	71007000
CY2023	bcow	Description Of Maximum Borrowing Capacity DescriptionOfMaximumBorrowingCapacity	The Company maintains a master contract agreement with the FHLB, which provides for borrowing up to the lesser of 22.22 times the FHLB stock owned, a determined percentage of the book value of the Company’s qualifying real estate loans, or a determined percentage of the Company’s assets.
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	4200000
CY2022Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	3400000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	100900000
CY2022Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	100000000
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	425000
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	411000
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1819000
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-131000
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-40000
CY2023	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	2207000
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	388000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-171000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	388000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-171000
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-1345000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-67000
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023	bcow	Income Tax Reconciliation Cash Value Of Life Insurance IncomeTaxReconciliationCashValueOfLifeInsurance	-124000
CY2023	bcow	Effective Income Tax Rate Reconciliation Cash Value Of Life Insurance Percent EffectiveIncomeTaxRateReconciliationCashValueOfLifeInsurancePercent	0.0194
CY2022	bcow	Income Tax Reconciliation Cash Value Of Life Insurance IncomeTaxReconciliationCashValueOfLifeInsurance	-89000
CY2022	bcow	Effective Income Tax Rate Reconciliation Cash Value Of Life Insurance Percent EffectiveIncomeTaxRateReconciliationCashValueOfLifeInsurancePercent	0.279
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1756000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.2742
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	101000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.0158
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-15000
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.047
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	388000
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0606
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-171000
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.536
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	1248000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	875000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1046000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	893000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	71000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	81000
CY2023Q4	bcow	Deferred Tax Assets Nol And Charitable Contribution Carryforwards DeferredTaxAssetsNolAndCharitableContributionCarryforwards	5610000
CY2022Q4	bcow	Deferred Tax Assets Nol And Charitable Contribution Carryforwards DeferredTaxAssetsNolAndCharitableContributionCarryforwards	3657000
CY2023Q4	bcow	Deferred Tax Assets Unrealized Losses Gain On Available For Sale Securities Gross DeferredTaxAssetsUnrealizedLossesGainOnAvailableForSaleSecuritiesGross	2564000
CY2022Q4	bcow	Deferred Tax Assets Unrealized Losses Gain On Available For Sale Securities Gross DeferredTaxAssetsUnrealizedLossesGainOnAvailableForSaleSecuritiesGross	4250000
CY2023Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	26000
CY2022Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	67000
CY2023Q4	bcow	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Release Of Shares DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsReleaseOfShares	66000
CY2022Q4	bcow	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Release Of Shares DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsReleaseOfShares	49000
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	103000
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	97000
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	10734000
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	9969000
CY2023Q4	bcow	Deferred Tax Liabilities Loan Fees DeferredTaxLiabilitiesLoanFees	231000
CY2022Q4	bcow	Deferred Tax Liabilities Loan Fees DeferredTaxLiabilitiesLoanFees	227000
CY2023Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	466000
CY2022Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	508000
CY2023Q4	bcow	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFHLBStockDividends	26000
CY2022Q4	bcow	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFHLBStockDividends	26000
CY2023Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	723000
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	761000
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	10011000
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	9208000
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3141000
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	934000
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	6870000
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	8274000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	388000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-171000
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3100000
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	934000
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	6900000
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	8300000
CY2023Q1	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	98000
CY2023Q2	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	98000
CY2023Q3	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1800000
CY2023Q3	bcow	Income Tax Expense Change In Amount IncomeTaxExpenseChangeInAmount	1900000
CY2019Q1	bcow	Employee Stock Ownership Plan Esop Shares Adjusted For The Conversion EmployeeStockOwnershipPlanEsopSharesAdjustedForTheConversion	231047
CY2021Q3	bcow	Number Of Shares To Be Contributed To The Employee Stock Ownership Plan NumberOfSharesToBeContributedToTheEmployeeStockOwnershipPlan	283360
CY2022Q2	bcow	Number Of Additional Shares Contributed To Employee Stock Ownership Plan NumberOfAdditionalSharesContributedToEmployeeStockOwnershipPlan	283360
CY2022Q2	bcow	Employee Stock Ownership Plan Esop Weighted Average Purchase Price Of Additional Shares Purchased EmployeeStockOwnershipPlanEsopWeightedAveragePurchasePriceOfAdditionalSharesPurchased	10.9
CY2023	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	129000
CY2022	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	200000
CY2023Q4	bcow	Shares Committed To Be Released SharesCommittedToBeReleased	19730
CY2022Q4	bcow	Shares Committed To Be Released SharesCommittedToBeReleased	19730
CY2023Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	51719
CY2022Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	36170
CY2023Q4	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	434062
CY2022Q4	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	453792
CY2023Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	505511
CY2022Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	509692
CY2023Q4	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	6.99
CY2022Q4	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	10
CY2023Q4	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	3034000
CY2022Q4	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	4538000
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1015000
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	932000
CY2023	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	167000
CY2023	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	218000
CY2022	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	169000
CY2023	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	71000
CY2022	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	86000
CY2023Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	995000
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1015000
CY2023Q4	us-gaap	Marketable Securities MarketableSecurities	3625000
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	113184000
CY2022Q4	us-gaap	Marketable Securities MarketableSecurities	2924000
CY2022Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	117416000
CY2023Q4	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2022Q4	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2023Q4	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2022Q4	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2022Q4	us-gaap	Capital Capital	65497000
CY2022Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.166
CY2022Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	17711000
CY2022Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2022Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	25583000
CY2022Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.065
CY2022Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	65497000
CY2022Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.166
CY2022Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	23615000
CY2022Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2023Q4	bcow	Fair Value Disclosure Of Rate Lock Commitments FairValueDisclosureOfRateLockCommitments	4000
CY2023Q4	bcow	Fair Value Disclosure Of Mortgage Servicing Rights FairValueDisclosureOfMortgageServicingRights	3269000
CY2023Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	63101000
CY2023Q4	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.112
CY2023Q4	bcow	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	22574000
CY2023Q4	bcow	Common Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04
CY2023Q4	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	28217000
CY2023Q4	bcow	Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.05
CY2023Q4	us-gaap	Capital Capital	63101000
CY2023Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.151
CY2023Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	18751000
CY2023Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2023Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	27085000
CY2023Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.065
CY2023Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	63101000
CY2023Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.151
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	25002000
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2023Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	33336000
CY2023Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2023Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	67710000
CY2023Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.162
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	33336000
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.08
CY2023Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	41670000
CY2023Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.10
CY2022Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	65497000
CY2022Q4	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.119
CY2022Q4	bcow	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	22086000
CY2022Q4	bcow	Common Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04
CY2022Q4	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	27608000
CY2022Q4	bcow	Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.05
CY2022Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	31486000
CY2022Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2022Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	68700000
CY2022Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.175
CY2022Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	31486000
CY2022Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.08
CY2022Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	39358000
CY2022Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.10
CY2022Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	319766
CY2022Q3	bcow	Percentage Of Repurchase Of Outstanding Shares PercentageOfRepurchaseOfOutstandingShares	0.05
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	319766
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	3400000
CY2023Q2	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	621522
CY2023Q2	bcow	Percentage Of Repurchase Of Outstanding Shares PercentageOfRepurchaseOfOutstandingShares	0.10
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	71029
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	501000
CY2023Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	3900000
CY2022Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	3300000
CY2023	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	68000
CY2022	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	0
CY2023Q4	bcow	Deferred Compensation Outstanding Liability DeferredCompensationOutstandingLiability	126000
CY2022Q4	bcow	Deferred Compensation Outstanding Liability DeferredCompensationOutstandingLiability	160000
CY2023	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	9000
CY2022	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	12000
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	65154
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	177059
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-6792000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-148000
CY2023	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5977859
CY2022	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6216791
CY2023	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	443900
CY2022	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	441651
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5533959
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5775140
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5533959
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5775140
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.23
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.03
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.23
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.03
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0359
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0383
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CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	3.47
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	10000000
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CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1443067000
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	355410
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	10.02
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	656130
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.27
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y8M8D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1122214000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	112824
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	6.09
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P7Y4M6D
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	432408000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	656130
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.27
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y8M8D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1122214000
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	3000
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	9.94
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CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	3159
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	5.96
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4746000
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	52703
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	8.22
CY2023	bcow	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Shares Expired ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedSharesExpired	3158
CY2023	bcow	Share Based Compensation Arrangements By Share Based Payment Award Options Vested Shares Expired In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedSharesExpiredInPeriodWeightedAverageExercisePrice	5.96
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	600110
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.3
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y5M26D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	238951000
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	229818
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.24
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y5M23D
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	152831000
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CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.47
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CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	1.56
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CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.82
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	543306
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.82
CY2023	bcow	Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsnonvestedgrantednumberofshares Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsnonvestedgrantednumberofshares	3000
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.37
CY2023	bcow	Sharebased Compensation Arrangement By Share Based Payment Award Options Nonvested Vested Number Of Shares SharebasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedVestedNumberOfShares	123311
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	2.57
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	52703
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	2.55
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	370292
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.94
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	977000000
CY2023	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y6M7D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	97128
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	6.25
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	137753
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	10.02
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	23532
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	6.2
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	211349
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	8.71
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	211349
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	8.71
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	48667
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	8.21
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	18385
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	8.15
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	144297
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	8.95
CY2022	bcow	Sharebased Compensation Arrangement Equity Instruments Other Than Options Vested Realted To Shares Surrenders To Cover Payroll Taxes In Period SharebasedCompensationArrangementEquityInstrumentsOtherThanOptionsVestedRealtedToSharesSurrendersToCoverPayrollTaxesInPeriod	7238
CY2023	bcow	Sharebased Compensation Arrangement Equity Instruments Other Than Options Vested Realted To Shares Surrenders To Cover Payroll Taxes In Period SharebasedCompensationArrangementEquityInstrumentsOtherThanOptionsVestedRealtedToSharesSurrendersToCoverPayrollTaxesInPeriod	7238

Files In Submission

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$BCOW
1895 Bancorp of Wisconsin, Inc. /MD/ Stock $bcow

2024 Q1 Form 10-K Financial Statement

#000095017024038577 Filed on March 29, 2024

Income Statement

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Facts In Submission

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$BCOW 1895 Bancorp of Wisconsin, Inc. /MD/ Stock $bcow

2024 Q1 Form 10-K Financial Statement

#000095017024038577 Filed on March 29, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BCOW
1895 Bancorp of Wisconsin, Inc. /MD/ Stock $bcow