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

$bcow Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000095017024055922 Filed on May 08, 2024

Income Statement

Concept	2024 Q2	2024 Q1
Revenue	$6.203M	$6.033M
YoY Change	23.64%	28.03%
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	$118.0K
YoY Change	-1.67%	-7.81%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$3.044M	$2.970M
YoY Change	56.02%	101.08%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$675.0K	-$406.0K
YoY Change	-13.57%	-20.7%
Income Tax	-$159.0K	-$100.0K
% Of Pretax Income
Net Earnings	-$516.0K	-$306.0K
YoY Change	1.57%	-15.24%
Net Earnings / Revenue	-8.32%	-5.07%
Basic Earnings Per Share	-$0.09	-$0.06
Diluted Earnings Per Share	-$0.09	-$0.06
COMMON SHARES
Basic Shares Outstanding	6.002M	6.015M
Diluted Shares Outstanding	5.448M	5.468M

Balance Sheet

Concept	2024 Q2	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$20.95M	$26.98M
YoY Change	-20.06%	-16.18%
Cash & Equivalents	$16.82M	$23.00M
Short-Term Investments	$4.133M	$3.976M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$5.067M	$5.086M
YoY Change	-4.54%	-5.87%
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	$561.5M	$564.2M
YoY Change	1.46%	2.3%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.394M	$1.239M
YoY Change	99.14%	152.86%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.394M	$1.239M
YoY Change	99.14%	152.86%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$15.63M	$12.20M
YoY Change	-1.71%	8.8%
Total Long-Term Liabilities	$15.63M	$12.20M
YoY Change	-1.71%	8.8%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.394M	$1.239M
Total Long-Term Liabilities	$15.63M	$12.20M
Total Liabilities	$490.4M	$492.7M
YoY Change	2.33%	3.59%
SHAREHOLDERS EQUITY
Retained Earnings	$33.07M	$33.59M
YoY Change	-16.94%	-16.71%
Common Stock	$60.00K	$60.00K
YoY Change	-3.23%	-3.23%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$295.0K	$295.0K
YoY Change	0.0%	-1.99%
Treasury Stock Shares
Shareholders Equity	$71.06M	$71.51M
YoY Change
Total Liabilities & Shareholders Equity	$561.5M	$564.2M
YoY Change	1.46%	2.3%

Cashflow Statement

Concept	2024 Q2	2024 Q1
OPERATING ACTIVITIES
Net Income	-$516.0K	-$306.0K
YoY Change	1.57%	-15.24%
Depreciation, Depletion And Amortization	$118.0K	$118.0K
YoY Change	-1.67%	-7.81%
Cash From Operating Activities	-$796.0K	-$398.0K
YoY Change	-418.4%	-63.39%
INVESTING ACTIVITIES
Capital Expenditures	$109.0K	$22.00K
YoY Change	263.33%	-72.5%
Acquisitions
YoY Change
Other Investing Activities	-$2.218M	$3.434M
YoY Change	-75.84%	-159.87%
Cash From Investing Activities	-$2.327M	$3.412M
YoY Change	-74.73%	-158.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-3.060M	6.738M
YoY Change	-211.27%	-11.04%
NET CHANGE
Cash From Operating Activities	-796.0K	-398.0K
Cash From Investing Activities	-2.327M	3.412M
Cash From Financing Activities	-3.060M	6.738M
Net Change In Cash	-6.183M	9.752M
YoY Change	-0.43%	1353.35%
FREE CASH FLOW
Cash From Operating Activities	-$796.0K	-$398.0K
Capital Expenditures	$109.0K	$22.00K
Free Cash Flow	-$905.0K	-$420.0K
YoY Change	-511.36%	-64.01%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2024Q1	dei	Amendment Flag AmendmentFlag	false
CY2024Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2024Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001847360
CY2024Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023Q1	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2023#AccountingStandardsUpdate201613Member
CY2024Q1	dei	Document Type DocumentType	10-Q
CY2024Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2024Q1	dei	Document Period End Date DocumentPeriodEndDate	2024-03-31
CY2024Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2024Q1	dei	Entity File Number EntityFileNumber	001-40609
CY2024Q1	dei	Entity Registrant Name EntityRegistrantName	1895 Bancorp of Wisconsin, Inc.
CY2024Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2024Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	61-1993378
CY2024Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	7001 West Edgerton Avenue
CY2024Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenfield
CY2024Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	WI
CY2024Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	53220
CY2024Q1	dei	City Area Code CityAreaCode	414
CY2024Q1	dei	Local Phone Number LocalPhoneNumber	421-8200
CY2024Q1	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2024Q1	dei	Trading Symbol TradingSymbol	BCOW
CY2024Q1	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2024Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2024Q1	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2024Q1	dei	Entity Small Business EntitySmallBusiness	true
CY2024Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
CY2024Q1	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
CY2024Q1	dei	Entity Shell Company EntityShellCompany	false
CY2024Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	6002335
CY2024Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	14032000
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	11220000
CY2024Q1	us-gaap	Federal Funds Sold FederalFundsSold	8970000
CY2023Q4	us-gaap	Federal Funds Sold FederalFundsSold	2030000
CY2024Q1	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	23002000
CY2023Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	13250000
CY2024Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	3976000
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	3625000
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	116634000
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	119055000
CY2024Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	106388000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	109559000
CY2024Q1	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	826000
CY2023Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	704000
CY2024Q1	bcow	Deferred Costs Loans Net DeferredCostsLoansNet	397120000
CY2023Q4	bcow	Deferred Costs Loans Net DeferredCostsLoansNet	398568000
CY2024Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3679000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3734000
CY2024Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	393441000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	394834000
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5086000
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5182000
CY2024Q1	bcow	Mortgage Servicing Rights Net MortgageServicingRightsNet	1690000
CY2023Q4	bcow	Mortgage Servicing Rights Net MortgageServicingRightsNet	1720000
CY2024Q1	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	4564000
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	4164000
CY2024Q1	us-gaap	Interest Receivable InterestReceivable	1521000
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	1554000
CY2024Q1	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	14138000
CY2023Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	14027000
CY2024Q1	us-gaap	Other Assets OtherAssets	9617000
CY2023Q4	us-gaap	Other Assets OtherAssets	8988000
CY2024Q1	us-gaap	Assets Assets	564249000
CY2023Q4	us-gaap	Assets Assets	557607000
CY2024Q1	us-gaap	Deposits Deposits	399285000
CY2023Q4	us-gaap	Deposits Deposits	403683000
CY2024Q1	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	3918000
CY2023Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	1233000
CY2024Q1	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	80014000
CY2023Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	71007000
CY2024Q1	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	1239000
CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	1106000
CY2024Q1	us-gaap	Other Liabilities OtherLiabilities	8283000
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	7817000
CY2024Q1	us-gaap	Liabilities Liabilities	492739000
CY2023Q4	us-gaap	Liabilities Liabilities	484846000
CY2024Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
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CY2024Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2024Q1	us-gaap	Preferred Stock Value PreferredStockValue	0
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0
CY2024Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2024Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000
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CY2024Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6041510
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6114183
CY2024Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	6011992
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	6084665
CY2024Q1	us-gaap	Common Stock Value CommonStockValue	60000
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	61000
CY2024Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	49379000
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	49778000
CY2024Q1	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	429157
CY2023Q4	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	434062
CY2024Q1	bcow	Employee Stock Ownership Plan Esop Unallocated Compensation EmployeeStockOwnershipPlanEsopUnallocatedCompensation	4073000
CY2023Q4	bcow	Employee Stock Ownership Plan Esop Unallocated Compensation EmployeeStockOwnershipPlanEsopUnallocatedCompensation	4120000
CY2024Q1	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	29518
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	29518
CY2024Q1	us-gaap	Treasury Stock Value TreasuryStockValue	295000
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	295000
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	33586000
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	33892000
CY2024Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7147000
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6555000
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	71510000
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	72761000
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CY2024Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	4799000
CY2023Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	3826000
CY2024Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1040000
CY2023Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	602000
CY2024Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	194000
CY2023Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	284000
CY2024Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	6033000
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	4712000
CY2024Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2391000
CY2023Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	982000
CY2024Q1	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	578000
CY2023Q1	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	493000
CY2024Q1	us-gaap	Interest Expense Other InterestExpenseOther	1000
CY2023Q1	us-gaap	Interest Expense Other InterestExpenseOther	2000
CY2024Q1	us-gaap	Interest Expense InterestExpense	2970000
CY2023Q1	us-gaap	Interest Expense InterestExpense	1477000
CY2024Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	3063000
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	3235000
CY2024Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	75000
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CY2023Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	3160000
CY2024Q1	bcow	Service Charges And Other Fees ServiceChargesAndOtherFees	219000
CY2023Q1	bcow	Service Charges And Other Fees ServiceChargesAndOtherFees	224000
CY2024Q1	bcow	Loan Servicing LoanServicing	163000
CY2023Q1	bcow	Loan Servicing LoanServicing	174000
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CY2023Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	38000
CY2024Q1	bcow	Increase In Cash Surrender Value Of Life Insurance IncreaseInCashSurrenderValueOfLifeInsurance	111000
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CY2023Q1	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	220000
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CY2024Q1	us-gaap	Noninterest Income NoninterestIncome	904000
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	770000
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CY2023Q1	us-gaap	Loan Processing Fee LoanProcessingFee	225000
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CY2023Q1	us-gaap	Equipment Expense EquipmentExpense	338000
CY2024Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	81000
CY2023Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	37000
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CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	4442000
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CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-361000
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CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5535489
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	-306000
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-361000
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CY2023Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	602000
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CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1628000
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-898000
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1267000
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	75362000
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-361000
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CY2023Q1	bcow	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares During Period EmployeeStockOwnershipPlanEsopNumberOfCommittedToBeReleasedSharesDuringPeriod	4864
CY2023Q1	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	47000
CY2023Q1	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Common Stock Stock Repurchase Program Shares AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramShares	12903
CY2023Q1	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Common Stock Stock Repurchase Program Value AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramValue	-129000
CY2023Q1	bcow	Adjustments To Additional Paid In Capital Purchase And Retirement Of Common Stock AdjustmentsToAdditionalPaidInCapitalPurchaseAndRetirementOfCommonStock	-13000
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	188000
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	75939000
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	72761000
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	-306000
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-592000
CY2024Q1	bcow	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares During Period EmployeeStockOwnershipPlanEsopNumberOfCommittedToBeReleasedSharesDuringPeriod	4905
CY2024Q1	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	37000
CY2024Q1	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Common Stock Stock Repurchase Program Shares AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramShares	69648
CY2024Q1	bcow	Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Common Stock Stock Repurchase Program Value AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramValue	-548000
CY2024Q1	bcow	Adjustments To Additional Paid In Capital Purchase And Retirement Of Common Stock AdjustmentsToAdditionalPaidInCapitalPurchaseAndRetirementOfCommonStock	-8000
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	166000
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	71510000
CY2024Q1	us-gaap	Profit Loss ProfitLoss	-306000
CY2023Q1	us-gaap	Profit Loss ProfitLoss	-361000
CY2024Q1	bcow	Net Amortization From Investment Securities NetAmortizationFromInvestmentSecurities	34000
CY2023Q1	bcow	Net Amortization From Investment Securities NetAmortizationFromInvestmentSecurities	20000
CY2024Q1	us-gaap	Depreciation Depreciation	118000
CY2023Q1	us-gaap	Depreciation Depreciation	128000
CY2024Q1	bcow	Provision Credit For Loan Losses ProvisionCreditForLoanLosses	75000
CY2023Q1	bcow	Provision Credit For Loan Losses ProvisionCreditForLoanLosses	75000
CY2024Q1	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	337000
CY2023Q1	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	220000
CY2024Q1	bcow	Stock Compensation Expense StockCompensationExpense	166000
CY2023Q1	bcow	Stock Compensation Expense StockCompensationExpense	188000
CY2024Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-100000
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-151000
CY2024Q1	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2151000
CY2023Q1	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2300000
CY2024Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2096000
CY2023Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2464000
CY2024Q1	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	67000
CY2023Q1	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	38000
CY2024Q1	us-gaap	Share Based Compensation ShareBasedCompensation	37000
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	47000
CY2024Q1	us-gaap	Increase Decrease In Insurance Settlements Receivable IncreaseDecreaseInInsuranceSettlementsReceivable	111000
CY2023Q1	us-gaap	Increase Decrease In Insurance Settlements Receivable IncreaseDecreaseInInsuranceSettlementsReceivable	108000
CY2024Q1	bcow	Increase Decrease In Mortgage Servicing Rights IncreaseDecreaseInMortgageServicingRights	-30000
CY2023Q1	bcow	Increase Decrease In Mortgage Servicing Rights IncreaseDecreaseInMortgageServicingRights	-37000
CY2024Q1	bcow	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	338000
CY2023Q1	bcow	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	481000
CY2024Q1	bcow	Increase Decrease In Accrued Interest Payable And Other Liabilities IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities	456000
CY2023Q1	bcow	Increase Decrease In Accrued Interest Payable And Other Liabilities IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities	-387000
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-398000
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1087000
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	2387000
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3287000
CY2024Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	14000
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	26000
CY2024Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-1461000
CY2023Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	7615000
CY2024Q1	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	400000
CY2023Q1	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	1382000
CY2024Q1	bcow	Payments For Proceeds From Acquire Property Plant And Equipment PaymentsForProceedsFromAcquirePropertyPlantAndEquipment	-22000
CY2023Q1	bcow	Payments For Proceeds From Acquire Property Plant And Equipment PaymentsForProceedsFromAcquirePropertyPlantAndEquipment	-80000
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	3412000
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5816000
CY2024Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-4398000
CY2023Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-15755000
CY2024Q1	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	2685000
CY2023Q1	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	2957000
CY2024Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	53000000
CY2023Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	64500000
CY2024Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	43993000
CY2023Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	43986000
CY2024Q1	bcow	Repurchase And Cancellation Of Common Stock RepurchaseAndCancellationOfCommonStock	548000
CY2023Q1	bcow	Repurchase And Cancellation Of Common Stock RepurchaseAndCancellationOfCommonStock	129000
CY2024Q1	bcow	Retirement Of Common Stock Issued One Value RetirementOfCommonStockIssuedOneValue	8000
CY2023Q1	bcow	Retirement Of Common Stock Issued One Value RetirementOfCommonStockIssuedOneValue	13000
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	6738000
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	7574000
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9752000
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	671000
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
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	23002000
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	29015000
CY2024Q1	us-gaap	Interest Paid Net InterestPaidNet	2837000
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	1278000
CY2024Q1	us-gaap	Nature Of Operations NatureOfOperations	<p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">NOTE 1 – NATURE OF OPERATIONS AND BASIS OF PRESENTATION</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">1895 Bancorp of Wisconsin, Inc., a Maryland corporation (the “Company” or “New 1895 Bancorp”) was formed to serve as the stock holding company for PyraMax Bank, FSB (the “Bank”) as part of the mutual-to-stock conversion of 1895 Bancorp of Wisconsin, MHC. Upon completion of the conversion, which occurred on July 14, 2021, 1895 Bancorp of Wisconsin, MHC and 1895 Bancorp of Wisconsin, a federal corporation (“Old 1895 Bancorp”), ceased to exist and New 1895 Bancorp became the successor corporation to Old 1895 Bancorp. The conversion was accomplished by the merger of 1895 Bancorp of Wisconsin, MHC with and into Old 1895 Bancorp followed by the merger of Old 1895 Bancorp with and into New 1895 Bancorp. The shares of New 1895 Bancorp common stock that were offered for sale in connection with the conversion represented the majority ownership interest in Old 1895 Bancorp owned by 1895 Bancorp of Wisconsin, MHC. On July 14, 2021, public stockholders of Old 1895 Bancorp received 1.3163 shares of common stock of New 1895 Bancorp in exchange for each of their shares of Old 1895 Bancorp common stock. The shares of Old 1895 Bancorp common stock owned by 1895 Bancorp of Wisconsin, MHC were canceled at that time. The conversion and offering were completed on July 14, 2021, and New 1895 Bancorp was organized as a fully public stock holding company, with </span><span style="font-size:10pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;">100</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">% of the common stock being held by the public. The consolidated financial statements and other financial information contained in these consolidated financial statements are for New 1895 Bancorp.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The cost of the reorganization and the issuing of the common stock totaling $</span><span style="font-size:10pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;">2.0</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> million were deferred and deducted from the sales proceeds of the offering.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">PyraMax Bank is a stock savings bank headquartered in Greenfield, Wisconsin. PyraMax Bank operates as a full-service financial institution, providing a full range of financial services, including the granting of commercial, residential, and consumer loans and acceptance of deposits from individual customers and small businesses in the metropolitan Milwaukee, Wisconsin area. PyraMax Bank is subject to competition from other financial and nonfinancial institutions providing financial products. In addition, PyraMax Bank is subject to the regulations of certain regulatory agencies and undergoes periodic examination by those regulatory agencies.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The accompanying unaudited interim consolidated financial statements and the notes thereto have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”). In the opinion of management, the accompanying unaudited interim consolidated financial statements contain all normal recurring adjustments necessary to present fairly the financial position, results of operations, changes in stockholders' equity and cash flows as of and for the periods presented. Certain amounts from prior periods have been reclassified to conform with current period presentation.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The accompanying unaudited consolidated financial statements and related notes should be read in conjunction with the audited annual consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023, as filed with the Securities and Exchange Commission on March 29, 2024.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">In preparing financial statements in conformity with 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 value of financial instruments and the valuation of deferred income tax assets.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">On April 5, 2012, the </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Jumpstart Our Business Startups Act</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> (the “JOBS Act”) was signed into law. The JOBS Act contains provisions that, among other things, reduce certain reporting requirements for qualifying public companies and define an “emerging growth company.” As an emerging growth company, the Company may delay adoption of new or revised financial accounting standards until such date that the standards are required to be adopted by non-issuer companies. If such standards would not apply to non-issuer companies, no deferral would be applicable. The Company intends to take advantage of the benefits of the extended transition periods allowed under the JOBS Act.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Accordingly, the Company’s financial statements may not be comparable to those of public companies that adopt new or revised financial accounting standards as of an earlier date. The effective dates of the recent accounting standards in Note 2 reflect those that relate to non-issuer companies.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">NOTE 1 – NATURE OF OPERATIONS AND BASIS OF PRESENTATION (continued)</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Subsequent Events</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;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 March 31, 2024, but prior to the release of the unaudited consolidated financial statements contained in this quarterly report on Form 10-Q were issued.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;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 March 31, 2024</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> that warranted adjustment to or disclosure in these unaudited consolidated financial statements.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
CY2024Q1	bcow	Common Stock Held By Public CommonStockHeldByPublic	1
CY2024Q1	bcow	Reorganization Cost And Issuing Of Common Stock Deferred ReorganizationCostAndIssuingOfCommonStockDeferred	2000000
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	116634000
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	77000
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10323000
CY2024Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	106388000
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
CY2024Q1	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	9300000
CY2023Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	426000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1560000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1541000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	340000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	341000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	12959000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	10718000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	2915000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	2256000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	17774000
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	14856000
CY2024Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	116634000
CY2024Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	106388000
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	31194000
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	218000
CY2024Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	55822000
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	10105000
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	87016000
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	10323000
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
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	54
CY2024Q1	bcow	Debt Securities Available For Sale Unrealized Loss Position Aggregate Depreciation DebtSecuritiesAvailableForSaleUnrealizedLossPositionAggregateDepreciation	0.106
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
CY2024Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	396308000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	397714000
CY2024Q1	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	812000
CY2023Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	854000
CY2024Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3679000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3734000
CY2024Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	393441000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	394834000
CY2024Q1	bcow	Loans And Leases Receivable Interest Receivable LoansAndLeasesReceivableInterestReceivable	1100000
CY2023Q4	bcow	Loans And Leases Receivable Interest Receivable LoansAndLeasesReceivableInterestReceivable	1100000
CY2024Q1	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	30000
CY2023Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	78000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3734000
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1000
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	14000
CY2024Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3679000
CY2024Q1	bcow	Allowance For Credit Losses For Loans And Unfunded Loan Commitments Amount AllowanceForCreditLossesForLoansAndUnfundedLoanCommitmentsAmount	4697000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3203000
CY2023Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	75000
CY2023Q1	bcow	Cecl Adoption Adjustment CeclAdoptionAdjustment	412000
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6000
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	9000
CY2023Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3693000
CY2023Q1	bcow	Allowance For Credit Losses For Loans And Unfunded Loan Commitments Amount AllowanceForCreditLossesForLoansAndUnfundedLoanCommitmentsAmount	4358000
CY2024Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	75000
CY2023Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	75000
CY2024Q1	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	6386000
CY2024Q1	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	54196000
CY2024Q1	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	107823000
CY2024Q1	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	78115000
CY2024Q1	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	56861000
CY2024Q1	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	67255000
CY2024Q1	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	24433000
CY2024Q1	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	1239000
CY2024Q1	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	396308000
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
CY2024Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	392921000
CY2024Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	396308000
CY2023Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	396941000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	397714000
CY2024Q1	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2024Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1094000
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1110000
CY2024Q1	us-gaap	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Loans LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans	0.0028
CY2023Q4	us-gaap	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Loans LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans	0.0028
CY2024Q1	bcow	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Assets LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets	0.0019
CY2023Q4	bcow	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Assets LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets	0.002
CY2024Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1100000
CY2024Q1	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0
CY2024Q1	bcow	Financing Receivable Recorded Investment Nonaccrual Status Accrued Interest Reversed FinancingReceivableRecordedInvestmentNonaccrualStatusAccruedInterestReversed	0
CY2024Q1	bcow	Collateral Dependent Loans CollateralDependentLoans	5608000
CY2023Q4	bcow	Collateral Dependent Loans CollateralDependentLoans	6666000
CY2024Q1	bcow	Unpaid Principal Balance Of Loans Serviced For Others UnpaidPrincipalBalanceOfLoansServicedForOthers	277400000
CY2023Q4	bcow	Unpaid Principal Balance Of Loans Serviced For Others UnpaidPrincipalBalanceOfLoansServicedForOthers	282200000
CY2023Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1720000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1860000
CY2024Q1	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	8000
CY2023Q1	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	9000
CY2024Q1	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	38000
CY2023Q1	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	46000
CY2024Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1690000
CY2023Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1823000
CY2023Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3269000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3376000
CY2024Q1	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3240000
CY2023Q1	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3488000
CY2024Q1	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0
CY2023Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	150000
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	194000
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	174000
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	152000
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	130000
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	890000
CY2024Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1690000
CY2024Q1	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	73093000
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	78476000
CY2024Q1	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	29177000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	28899000
CY2024Q1	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	85657000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	88687000
CY2024Q1	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	43894000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	46473000
CY2024Q1	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	167464000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	161148000
CY2024Q1	us-gaap	Deposits Deposits	399285000
CY2023Q4	us-gaap	Deposits Deposits	403683000
CY2024Q1	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000
CY2023Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000
CY2024Q1	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	35200000
CY2023Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	31300000
CY2024Q1	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2023Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	100900000
CY2024Q1	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	125778000
CY2024Q1	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	29078000
CY2024Q1	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	12276000
CY2024Q1	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	239000
CY2024Q1	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	77000
CY2024Q1	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	16000
CY2024Q1	us-gaap	Time Deposits TimeDeposits	167464000
CY2024Q1	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	80014000
CY2023Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	71007000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Next Twelve Rolling Months FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths	0.0459
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	6486000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Two FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearTwo	0.0112
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	2002000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Three FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearThree	0.0267
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	4524000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Four FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFour	0.0238
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	7047000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Five FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFive	0.0243
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	4570000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing After Rolling Year Five FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingAfterRollingYearFive	0.0238
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	55385000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate FederalHomeLoanBankAdvancesWeightedAverageInterestRate	0.0254
CY2024Q1	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	80014000
CY2024Q1	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 value of 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.
CY2024Q1	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	4600000
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	4200000
CY2024Q1	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	93200000
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-100000
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-151000
CY2024Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3300000
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3100000
CY2024Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	7100000
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	6900000
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
CY2024Q1	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	37000
CY2023Q1	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	47000
CY2024Q1	bcow	Shares Committed To Be Released SharesCommittedToBeReleased	4905
CY2023Q4	bcow	Shares Committed To Be Released SharesCommittedToBeReleased	19730
CY2024Q1	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	71449
CY2023Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	51719
CY2024Q1	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	429157
CY2023Q4	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	434062
CY2024Q1	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	505511
CY2023Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	505511
CY2024Q1	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	6.82
CY2023Q4	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	6.99
CY2024Q1	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	2927000
CY2023Q4	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	3034000
CY2024Q1	bcow	Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.05
CY2024Q1	us-gaap	Capital Capital	63146000
CY2024Q1	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.148
CY2024Q1	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	19173000
CY2024Q1	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2024Q1	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	27694000
CY2024Q1	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.065
CY2023Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	995000
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1015000
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
CY2024Q1	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	17000
CY2023	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	71000
CY2024Q1	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	978000
CY2023Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	995000
CY2024Q1	us-gaap	Marketable Securities MarketableSecurities	3976000
CY2024Q1	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	110364000
CY2023Q4	us-gaap	Marketable Securities MarketableSecurities	3625000
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	113184000
CY2024Q1	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2023Q4	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2024Q1	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2023Q4	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2024Q1	bcow	Consolidated Asset Threshold For Small Bank Holding Companies Maximum ConsolidatedAssetThresholdForSmallBankHoldingCompaniesMaximum	3000000000
CY2024Q1	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	63146000
CY2024Q1	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.112
CY2024Q1	bcow	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	22520000
CY2024Q1	bcow	Common Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04
CY2024Q1	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	28150000
CY2024Q1	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	63146000
CY2024Q1	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.148
CY2024Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	25564000
CY2024Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2024Q1	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	34085000
CY2024Q1	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2024Q1	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	67843000
CY2024Q1	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.159
CY2024Q1	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	34085000
CY2024Q1	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.08
CY2024Q1	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	42606000
CY2024Q1	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.10
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
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	140677
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1000000
CY2024Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	56971
CY2023Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	131093
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	-306000
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-361000
CY2024Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5899235
CY2023Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5986822
CY2024Q1	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	431582
CY2023Q1	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	451333
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5467653
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5535489
CY2024Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2023Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5467653
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5535489
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2024Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2023Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0359
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2464
CY2023Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y6M
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	3.37
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0
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
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	6000
CY2024Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	10.05
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	594110
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.28
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y2M15D
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	199155000
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	250437
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.19
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y2M12D
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	137795000
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
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2024Q1	bcow	Sharebased Compensation Arrangement By Share Based Payment Award Options Nonvested Vested Number Of Shares SharebasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedVestedNumberOfShares	20619
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	1.7
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	6000
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	3.56
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	343673
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	3
CY2024Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	881000
CY2024Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y3M14D
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
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	8034
CY2024Q1	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	6.65
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	2000
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	10.05
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	134263
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	9.07
CY2024Q1	bcow	Sharebased Compensation Arrangement Equity Instruments Other Than Options Vested Realted To Shares Surrenders To Cover Payroll Taxes In Period SharebasedCompensationArrangementEquityInstrumentsOtherThanOptionsVestedRealtedToSharesSurrendersToCoverPayrollTaxesInPeriod	1025

Files In Submission

Name	View Source	Status
0000950170-24-055922-index-headers.html	Edgar Link	pending
0000950170-24-055922-index.html	Edgar Link	pending
0000950170-24-055922.txt	Edgar Link	pending
0000950170-24-055922-xbrl.zip	Edgar Link	pending
bcow-20240331.htm	Edgar Link	pending
bcow-20240331.xsd	Edgar Link	pending
bcow-ex31_1.htm	Edgar Link	pending
bcow-ex31_2.htm	Edgar Link	pending
bcow-ex32_1.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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bcow-20240331_htm.xml	Edgar Link	completed
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$BCOW
1895 Bancorp of Wisconsin, Inc. /MD/ Stock $bcow

2024 Q2 Form 10-Q Financial Statement

#000095017024055922 Filed on May 08, 2024

Income Statement

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Facts In Submission

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

2024 Q2 Form 10-Q Financial Statement

#000095017024055922 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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