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

$bcow Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000119312522219470 Filed on August 12, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022 Q1
Revenue	$4.315M	$3.667M	$3.886M
YoY Change	27.62%	4.44%
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	$154.0K	$156.0K	$154.0K
YoY Change	-9.41%	-2.5%	-9.41%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$398.0K	$370.0K	$341.0K
YoY Change	14.04%	-5.85%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$145.0K	-$374.0K	-$115.0K
YoY Change	-185.29%	243.12%	-116.91%
Income Tax	$21.00K	-$133.0K	-$60.00K
% Of Pretax Income	14.48%
Net Earnings	$124.0K	-$241.0K	-$55.00K
YoY Change	-203.33%	372.55%	-110.56%
Net Earnings / Revenue	2.87%	-6.57%	-1.42%
Basic Earnings Per Share	$0.02	-$0.04	-$0.01
Diluted Earnings Per Share	$0.02	-$0.04	-$0.01
COMMON SHARES
Basic Shares Outstanding	6.373M	5.843M	5.874M
Diluted Shares Outstanding	5.983M	5.843M	5.874M

Balance Sheet

Concept	2022 Q3	2022 Q2	2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$18.43M	$23.09M
YoY Change
Cash & Equivalents	$15.70M	$20.22M	$50.59M
Short-Term Investments	$2.723M	$2.867M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$5.562M	$5.685M	$6.319M
YoY Change	-7.3%	-5.25%	3.59%
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	$529.3M	$535.6M	$546.3M
YoY Change	-2.2%	-11.55%	5.64%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$142.0K	$128.0K	$117.0K
YoY Change	42.0%	28.0%	17.0%
Accrued Expenses	$471.0K	$490.0K	$510.0K
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$613.0K	$618.0K	$627.0K
YoY Change	513.0%	518.0%	527.0%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$16.55M	$13.55M	$11.05M
YoY Change	-11.01%	-12.61%	-3.04%
Total Long-Term Liabilities	$16.55M	$13.55M	$11.05M
YoY Change	-11.01%	-12.61%	-3.04%
TOTAL LIABILITIES
Total Short-Term Liabilities	$613.0K	$618.0K	$627.0K
Total Long-Term Liabilities	$16.55M	$13.55M	$11.05M
Total Liabilities	$453.4M	$454.7M	$461.1M
YoY Change	0.98%	-16.62%	0.87%
SHAREHOLDERS EQUITY
Retained Earnings	$41.44M	$41.32M
YoY Change
Common Stock	$63.00K	$64.00K
YoY Change	-1.56%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$301.0K	$301.0K
YoY Change	-3.22%
Treasury Stock Shares	$30.06K	$30.06K
Shareholders Equity	$75.90M	$80.97M	$85.20M
YoY Change
Total Liabilities & Shareholders Equity	$529.3M	$535.6M	$546.3M
YoY Change	-2.2%	-11.55%	5.64%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022 Q1
OPERATING ACTIVITIES
Net Income	$124.0K	-$241.0K	-$55.00K
YoY Change	-203.33%	372.55%	-110.56%
Depreciation, Depletion And Amortization	$154.0K	$156.0K	$154.0K
YoY Change	-9.41%	-2.5%	-9.41%
Cash From Operating Activities	$1.221M	$966.0K	-$433.0K
YoY Change	27.19%	-40.74%	-60.99%
INVESTING ACTIVITIES
Capital Expenditures	-$31.00K	-$32.00K	-$99.00K
YoY Change	-69.0%	-46.67%	230.0%
Acquisitions
YoY Change
Other Investing Activities	-$1.953M	-$24.85M	-$27.50M
YoY Change	-141.2%	-5.61%	220.55%
Cash From Investing Activities	-$1.984M	-$24.89M	-$27.60M
YoY Change	-142.76%	-5.74%	220.58%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-3.756M	-6.446M	11.82M
YoY Change	-94.18%	-107.4%	1663.88%
NET CHANGE
Cash From Operating Activities	1.221M	966.0K	-433.0K
Cash From Investing Activities	-1.984M	-24.89M	-27.60M
Cash From Financing Activities	-3.756M	-6.446M	11.82M
Net Change In Cash	-4.519M	-30.37M	-16.22M
YoY Change	-92.34%	-148.71%	79.19%
FREE CASH FLOW
Cash From Operating Activities	$1.221M	$966.0K	-$433.0K
Capital Expenditures	-$31.00K	-$32.00K	-$99.00K
Free Cash Flow	$1.252M	$998.0K	-$334.0K
YoY Change	18.11%	-40.95%	-69.07%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2022Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	2867000
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	3544000
CY2022Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	126676000
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	6632000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	112440000
CY2022Q2	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	262000
CY2021Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	1183000
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3132000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2858000
	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenfield
	dei	Entity Address State Or Province EntityAddressStateOrProvince	WI
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	53220
	dei	City Area Code CityAreaCode	414
	dei	Local Phone Number LocalPhoneNumber	421-8200
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
	dei	Trading Symbol TradingSymbol	BCOW
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	6279000
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000
	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000
	dei	Entity Shell Company EntityShellCompany	false
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Entity Central Index Key EntityCentralIndexKey	0001847360
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-40609
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6402704
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6402571
	dei	Entity Registrant Name EntityRegistrantName	1895 Bancorp of Wisconsin, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	61-1993378
	dei	Entity Address Address Line1 EntityAddressAddressLine1	7001 West Edgerton Avenue
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	6372641
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	6372508
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	6372641
CY2022Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	19102000
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	65300000
CY2022Q2	us-gaap	Federal Funds Sold FederalFundsSold	1119000
CY2021Q4	us-gaap	Federal Funds Sold FederalFundsSold	1503000
CY2022Q2	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	20221000
CY2021Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	66803000
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	62000
CY2022Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	349619000
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	323789000
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5685000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5864000
CY2022Q2	bcow	Mortgage Servicing Rights Net MortgageServicingRightsNet	1939000
CY2021Q4	bcow	Mortgage Servicing Rights Net MortgageServicingRightsNet	2036000
CY2022Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	3032000
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	3032000
CY2022Q2	us-gaap	Interest Receivable InterestReceivable	1027000
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	948000
CY2022Q2	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	14101000
CY2021Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	13892000
CY2022Q2	us-gaap	Other Assets OtherAssets	10197000
CY2021Q4	us-gaap	Other Assets OtherAssets	6108000
CY2022Q2	us-gaap	Assets Assets	535626000
CY2021Q4	us-gaap	Assets Assets	539639000
CY2022Q2	us-gaap	Deposits Deposits	383062000
CY2021Q4	us-gaap	Deposits Deposits	384501000
CY2022Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	7739000
CY2021Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	1860000
CY2022Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	57435000
CY2021Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	55442000
CY2022Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	128000
CY2021Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	109000
CY2022Q2	us-gaap	Other Liabilities OtherLiabilities	6296000
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	6834000
CY2022Q2	us-gaap	Liabilities Liabilities	454660000
CY2021Q4	us-gaap	Liabilities Liabilities	448746000
CY2022Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2022Q2	us-gaap	Preferred Stock Value PreferredStockValue	0
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	64000
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	64000
CY2022Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	52855000
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	52805000
	us-gaap	Interest Expense Other InterestExpenseOther	4000
CY2022Q2	us-gaap	Interest Expense InterestExpense	370000
CY2021Q2	us-gaap	Interest Expense InterestExpense	393000
CY2022Q2	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	463658
CY2021Q4	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	377077
CY2022Q2	bcow	Employee Stock Ownership Plan Esop Unallocated Compensation EmployeeStockOwnershipPlanEsopUnallocatedCompensation	4401000
CY2021Q4	bcow	Employee Stock Ownership Plan Esop Unallocated Compensation EmployeeStockOwnershipPlanEsopUnallocatedCompensation	3432000
	us-gaap	Interest Expense InterestExpense	710000
	us-gaap	Interest Expense InterestExpense	849000
CY2021Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	12000
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	210000
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0
CY2022Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	30063
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	30063
CY2022Q2	us-gaap	Treasury Stock Value TreasuryStockValue	301000
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	301000
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	41319000
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	41615000
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8570000
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	142000
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	80966000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	90893000
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	535626000
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	539639000
CY2022Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	3009000
CY2021Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	3125000
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	6299000
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	6418000
CY2022Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	566000
CY2021Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	335000
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1114000
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	603000
CY2022Q2	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	92000
CY2021Q2	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	51000
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	139000
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	107000
CY2022Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	3667000
CY2021Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	3511000
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	7552000
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	7128000
CY2022Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	187000
CY2021Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	193000
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	356000
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	449000
CY2022Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	181000
CY2021Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	200000
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	350000
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	400000
CY2022Q2	us-gaap	Interest Expense Other InterestExpenseOther	2000
CY2022Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	3297000
CY2021Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	3118000
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6842000
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6279000
CY2022Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	105000
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	68000
CY2022Q2	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	99000
CY2021Q2	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	14000
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	113000
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	32000
CY2022Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	3192000
CY2021Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	3118000
CY2022Q2	us-gaap	Loan Processing Fee LoanProcessingFee	209000
CY2022Q2	bcow	Service Charges And Other Fees ServiceChargesAndOtherFees	257000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5153000
CY2022Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	976000
CY2021Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1045000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2041000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2058000
CY2021Q2	bcow	Service Charges And Other Fees ServiceChargesAndOtherFees	249000
	bcow	Service Charges And Other Fees ServiceChargesAndOtherFees	493000
	bcow	Service Charges And Other Fees ServiceChargesAndOtherFees	470000
CY2022Q2	bcow	Loan Servicing LoanServicing	171000
CY2021Q2	bcow	Loan Servicing LoanServicing	193000
	bcow	Loan Servicing LoanServicing	348000
	bcow	Loan Servicing LoanServicing	767000
CY2022Q2	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	106000
CY2021Q2	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	347000
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	184000
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	913000
CY2022Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0
CY2021Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	12000
CY2022Q2	bcow	Increase In Cash Surrender Value Of Life Insurance IncreaseInCashSurrenderValueOfLifeInsurance	105000
CY2021Q2	bcow	Increase In Cash Surrender Value Of Life Insurance IncreaseInCashSurrenderValueOfLifeInsurance	101000
	bcow	Increase In Cash Surrender Value Of Life Insurance IncreaseInCashSurrenderValueOfLifeInsurance	209000
	bcow	Increase In Cash Surrender Value Of Life Insurance IncreaseInCashSurrenderValueOfLifeInsurance	201000
CY2022Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-522000
CY2021Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	241000
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-733000
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	372000
CY2022Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1000
CY2021Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3000
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7000
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	8000
CY2022Q2	us-gaap	Noninterest Income NoninterestIncome	118000
CY2021Q2	us-gaap	Noninterest Income NoninterestIncome	1134000
	us-gaap	Noninterest Income NoninterestIncome	508000
	us-gaap	Noninterest Income NoninterestIncome	2743000
CY2022Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2034000
CY2021Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2698000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4318000
CY2021Q2	us-gaap	Loan Processing Fee LoanProcessingFee	208000
	us-gaap	Loan Processing Fee LoanProcessingFee	410000
	us-gaap	Loan Processing Fee LoanProcessingFee	405000
CY2022Q2	us-gaap	Equipment Expense EquipmentExpense	330000
CY2021Q2	us-gaap	Equipment Expense EquipmentExpense	361000
	us-gaap	Equipment Expense EquipmentExpense	684000
	us-gaap	Equipment Expense EquipmentExpense	734000
CY2022Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	36000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0
CY2022Q2	us-gaap	Noninterest Expense NoninterestExpense	3684000
CY2021Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	35000
	us-gaap	Net Income Loss NetIncomeLoss	470000
CY2022Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-4791000
CY2021Q2	us-gaap	Noninterest Expense NoninterestExpense	4361000
CY2021Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	447000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-11934000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-354000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0
	us-gaap	Noninterest Expense NoninterestExpense	7628000
	us-gaap	Noninterest Expense NoninterestExpense	8450000
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-374000
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-109000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-488000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	572000
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-133000
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-58000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-192000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	102000
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-241000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-51000
	us-gaap	Net Income Loss NetIncomeLoss	-296000
	us-gaap	Net Income Loss NetIncomeLoss	470000
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.04
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.05
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.1
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.04
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.05
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.1
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5843104
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4599878
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5858449
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4594314
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5843104
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4599878
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5858449
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4656037
CY2021Q3	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	1.3163
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-241000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-51000
	us-gaap	Net Income Loss NetIncomeLoss	-296000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-4791000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	447000
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-11934000
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-366000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-1294000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	120000
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-3222000
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-99000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3497000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	327000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8712000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-267000
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3738000
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	276000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-9008000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	203000
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	85202000
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-241000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3497000
CY2022Q1	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	9865
CY2022Q2	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	51000
CY2022Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	545000
CY2022Q2	bcow	Retirement Of Common Stock RetirementOfCommonStock	-64000
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	60000
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	80966000
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	59999000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-51000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	327000
CY2021Q1	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	1755
CY2021Q2	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	30000
CY2021Q2	bcow	Retirement Of Common Stock RetirementOfCommonStock	-70000
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	65000
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	60300000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	90893000
	us-gaap	Net Income Loss NetIncomeLoss	-296000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8712000
	bcow	Reimbursement Of Stock Offering Costs ReimbursementOfStockOfferingCosts	-1000
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1062000
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	14798
	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	101000
	bcow	Retirement Of Common Stock RetirementOfCommonStock	-78000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	119000
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	80966000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	60008000
	us-gaap	Net Income Loss NetIncomeLoss	470000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-267000
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	15000
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	3510
	bcow	Employee Stock Ownership Plan Value Committed To Be Released EmployeeStockOwnershipPlanValueCommittedToBeReleased	51000
	bcow	Retirement Of Common Stock RetirementOfCommonStock	-70000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	123000
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	60300000
CY2021Q3	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	1.3163
	us-gaap	Profit Loss ProfitLoss	-296000
	us-gaap	Profit Loss ProfitLoss	470000
	bcow	Net Amortization From Investment Securities NetAmortizationFromInvestmentSecurities	90000
	bcow	Net Amortization From Investment Securities NetAmortizationFromInvestmentSecurities	15000
	us-gaap	Depreciation Depreciation	310000
	us-gaap	Depreciation Depreciation	331000
	bcow	Provision Credit For Loan Losses ProvisionCreditForLoanLosses	210000
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-733000
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	372000
	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	12000
	bcow	Stock Compensation Expense StockCompensationExpense	119000
	bcow	Stock Compensation Expense StockCompensationExpense	123000
	bcow	Adjustment To Mortgage Servicing Rights Valuation AdjustmentToMortgageServicingRightsValuation	-369000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-192000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	102000
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	13760000
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	67969000
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	14865000
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	70026000
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	184000
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	913000
	us-gaap	Share Based Compensation ShareBasedCompensation	101000
	us-gaap	Share Based Compensation ShareBasedCompensation	51000
	us-gaap	Increase Decrease In Insurance Settlements Receivable IncreaseDecreaseInInsuranceSettlementsReceivable	209000
	us-gaap	Increase Decrease In Insurance Settlements Receivable IncreaseDecreaseInInsuranceSettlementsReceivable	201000
	bcow	Increase Decrease In Mortgage Servicing Rights IncreaseDecreaseInMortgageServicingRights	-97000
	bcow	Increase Decrease In Mortgage Servicing Rights IncreaseDecreaseInMortgageServicingRights	-66000
	bcow	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	831000
	bcow	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	1492000
	bcow	Increase Decrease In Accrued Interest Payable And Other Liabilities IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities	-520000
	bcow	Increase Decrease In Accrued Interest Payable And Other Liabilities IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities	667000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	533000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	523000
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1018000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	10879000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	5116000
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	37139000
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	39218000
	bcow	Net Change In Marketable Equity Securities NetChangeInMarketableEquitySecurities	56000
	bcow	Net Change In Marketable Equity Securities NetChangeInMarketableEquitySecurities	0
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	26040000
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	1830000
	bcow	Payments For Proceeds From Acquire Property Plant And Equipment PaymentsForProceedsFromAcquirePropertyPlantAndEquipment	-131000
	bcow	Payments For Proceeds From Acquire Property Plant And Equipment PaymentsForProceedsFromAcquirePropertyPlantAndEquipment	-94000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-52487000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-35008000
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-1439000
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	86336000
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	5879000
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	6430000
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	10000000
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	8007000
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	4975000
	bcow	Reimbursement Of Stock Offering Costs ReimbursementOfStockOfferingCosts	-1000
	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	15000
	bcow	Payments To Repurchase Shares Under Employee Stock Ownership Plan PaymentsToRepurchaseSharesUnderEmployeeStockOwnershipPlan	1062000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5372000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	87776000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-46582000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	53219000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	66803000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	92526000
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	20221000
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	145817000
	us-gaap	Interest Paid Net InterestPaidNet	691000
	us-gaap	Interest Paid Net InterestPaidNet	902000
	bcow	Retirement Of Common Stock Issued One Value RetirementOfCommonStockIssuedOneValue	78000
	bcow	Retirement Of Common Stock Issued One Value RetirementOfCommonStockIssuedOneValue	70000
	bcow	Issuance Of Treasury Stock Stock Compensation Plan IssuanceOfTreasuryStockStockCompensationPlan	15000
	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family: "Times New Roman"; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-weight:bold;display:inline;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">NOTE 1 – NATURE OF OPERATIONS AND BASIS OF PRESENTATION </div></div></div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">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 <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">mutual-to-stock</div></div> 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 100% 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. </div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The cost of the reorganization and the issuing of the common stock totaling $2.0 million were deferred and deducted from the sales proceeds of the offering. </div></div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">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. </div></div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">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 stockholder’s 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. </div></div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">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 <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">10-K</div> for the year ended December 31, 2021, as filed with the Securities and Exchange Commission on March 29, 2022. </div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">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. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for loan losses, the fair value of investment securities, financial instruments and mortgage servicing rights, and the valuation of deferred income tax assets. Actual results could differ from those estimates. </div></div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">On April 5, 2012, the <div style="font-style: normal; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-style:italic;display:inline;">Jumpstart Our Business Startups Act</div></div> (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 <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-issuer</div> companies. If such standards would not apply to <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-issuer</div> 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. </div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">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 <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-issuer</div> companies. </div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-style: normal; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-style:italic;display:inline;">Subsequent Events </div></div></div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">The Company has evaluated subsequent events for potential recognition and/or disclosure through the date the unaudited consolidated financial statements included in this quarterly report on Form <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">10-Q</div> were issued. </div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">On July 29, 2022, the Company announced the Board of Directors of the Company had adopted a stock repurchase program. Under the repurchase program, the Company may repurchase up to 5% of the current outstanding shares. The program is subject to regulatory <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-objection.</div> </div><div style="font-family: Times New Roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">There were no additional significant subsequent events for the quarter ended June 30, 2022 through the issuance date of these unaudited consolidated financial statements that warranted adjustment to or disclosure in the unaudited consolidated financial statements. </div></div>
CY2022Q2	bcow	Common Stock Held By Public CommonStockHeldByPublic	1
	bcow	Reorganization Cost And Issuing Of Common Stock Deferred ReorganizationCostAndIssuingOfCommonStockDeferred	2000000
CY2022Q3	bcow	Percentage Of Repurchase Of Outstanding Shares PercentageOfRepurchaseOfOutstandingShares	0.05
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	529000
CY2022Q2	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	138416000
CY2022Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	36000
CY2022Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	11776000
CY2022Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	126676000
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	112246000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	888000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	694000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	112440000
CY2022Q2	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	4100000
CY2021Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	1800000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1790000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1783000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	20892000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	19646000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	18661000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	16772000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	11089000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	9122000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	52432000
CY2022Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	47323000
CY2022Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	138416000
CY2022Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	126676000
CY2022Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	116046000
CY2022Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10259000
CY2022Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	8157000
CY2022Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1517000
CY2022Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	124203000
CY2022Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	11776000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	58585000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	571000
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	4105000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	123000
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	62690000
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	694000
CY2022Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	90
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	24
	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Other Default Rate AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherDefaultRate	0.093
CY2021	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Other Default Rate AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherDefaultRate	0.011
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1018000
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	12000
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	12000
CY2022Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	351888000
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	325992000
CY2022Q2	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	863000
CY2021Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	655000
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3132000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2858000
CY2022Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	349619000
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	323789000
CY2022Q2	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	26000000
CY2021Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	106000000
CY2022Q2	us-gaap	Notes Receivable Gross NotesReceivableGross	96000
CY2022Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	351888000
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	375000
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	325992000
CY2022Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3017000
CY2022Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	105000
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1000
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	11000
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3132000
CY2021Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2699000
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1000
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	34000
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2732000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2858000
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	210000
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	4000
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	68000
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3132000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2703000
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	17000
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	46000
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2732000
CY2022Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	5236000
CY2022Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	346652000
CY2022Q2	us-gaap	Notes Receivable Net NotesReceivableNet	351888000
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	3132000
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3132000
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6227000
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	319765000
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	325992000
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	2858000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2858000
CY2022Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	5236000
CY2022Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5461000
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5597000
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	166000
CY2022Q2	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	5236000
CY2022Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5461000
CY2022Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	0
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5597000
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	166000
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	6227000
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	6498000
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	8758000
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	337000
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	6227000
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	6498000
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	0
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	8758000
CY2021	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	337000
CY2022Q2	bcow	Additional Committed Impaired Loans AdditionalCommittedImpairedLoans	0
CY2021Q4	bcow	Additional Committed Impaired Loans AdditionalCommittedImpairedLoans	0
CY2022Q2	bcow	Financing Receivable Nonaccrual Other Than Trouble Debt Restructurings FinancingReceivableNonaccrualOtherThanTroubleDebtRestructurings	630000
CY2021Q4	bcow	Financing Receivable Nonaccrual Other Than Trouble Debt Restructurings FinancingReceivableNonaccrualOtherThanTroubleDebtRestructurings	826000
CY2022Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	817000
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1017000
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	0
CY2021	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	0
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0
CY2022Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	817000
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1017000
CY2022Q2	us-gaap	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Loans LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans	0.0023
CY2021Q4	us-gaap	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Loans LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans	0.0031
CY2022Q2	bcow	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Assets LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets	0.0015
CY2021Q4	bcow	Loans And Leases Receivable Ratio Of Nonperforming Loans To All Assets LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets	0.0019
CY2022Q2	bcow	Unpaid Principal Balance Of Loans Serviced For Others UnpaidPrincipalBalanceOfLoansServicedForOthers	317500000
CY2021Q4	bcow	Unpaid Principal Balance Of Loans Serviced For Others UnpaidPrincipalBalanceOfLoansServicedForOthers	332900000
CY2022Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1988000
CY2021Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2147000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2036000
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1806000
CY2022Q2	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	20000
CY2021Q2	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	117000
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	47000
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	320000
CY2022Q2	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	69000
CY2021Q2	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	155000
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	144000
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	386000
CY2022Q2	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	0
CY2021Q2	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	0
	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	0
	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	-369000
CY2022Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1939000
CY2021Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2109000
CY2022Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1939000
CY2021Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2109000
CY2022Q1	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2811000
CY2021Q1	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2153000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2477000
CY2020Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	1806000
CY2022Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3273000
CY2021Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2361000
CY2022Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3273000
CY2021Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2361000
CY2022Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	127000
CY2022Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	234000
CY2022Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	208000
CY2022Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	186000
CY2022Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	164000
CY2022Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1020000
CY2022Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1939000
CY2022Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	102998000
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	106664000
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	34016000
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	37467000
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	95878000
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	94823000
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	67456000
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	64954000
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	82714000
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	80593000
CY2022Q2	us-gaap	Deposits Deposits	383062000
CY2021Q4	us-gaap	Deposits Deposits	384501000
CY2022Q2	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	8400000
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	10000000
CY2022Q2	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000000
CY2021Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000000
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2022Q2	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	38552000
CY2022Q2	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	33484000
CY2022Q2	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	1209000
CY2022Q2	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	8823000
CY2022Q2	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	347000
CY2022Q2	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	299000
CY2022Q2	us-gaap	Time Deposits TimeDeposits	82714000
CY2022Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	57435000
CY2021Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	55442000
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Next Twelve Rolling Months FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths	0.0112
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	971000
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Two FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearTwo	0.015
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	8457000
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Three FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearThree	0.0112
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	1979000
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Four FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFour	0.0112
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	2002000
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing In Rolling Year Five FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFive	0.0112
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	2024000
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate Maturing After Rolling Year Five FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingAfterRollingYearFive	0.0117
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	42002000
CY2022Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	57435000
	bcow	Description Of Maximum Borrowing Capacity DescriptionOfMaximumBorrowingCapacity	The Company maintains a master contract agreement with the Federal Home Loan Bank, which provides for borrowing up to the lesser of 22.22 times the value of the Federal Home Loan Bank 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.
CY2022Q2	bcow	Collateral Values Against Borrowings CollateralValuesAgainstBorrowings	158800000
CY2021Q4	bcow	Collateral Values Against Borrowings CollateralValuesAgainstBorrowings	147500000
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	3000000
CY2022Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	3000000
CY2022Q2	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	85400000
CY2021Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	90900000
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-133000
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-58000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-192000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	102000
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	934000
CY2022Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	934000
CY2022Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	7200000
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	3800000
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
CY2021Q3	us-gaap	Employee Stock Ownership Plan Esop Shares Contributed To Esop EmployeeStockOwnershipPlanESOPSharesContributedToESOP	96446
CY2021Q3	us-gaap	Employee Stock Ownership Plan Esop Weighted Average Purchase Price Of Shares Purchased EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased	10.95
	us-gaap	Employee Stock Ownership Plan Esop Shares Contributed To Esop EmployeeStockOwnershipPlanESOPSharesContributedToESOP	283360000
	us-gaap	Employee Stock Ownership Plan Esop Weighted Average Purchase Price Of Shares Purchased EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased	10.9
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	51000000
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	30000000
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	101000000
	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	56000
CY2021	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	357000
CY2022Q2	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	880000
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	51000000
CY2022Q2	bcow	Shares Committed To Be Released SharesCommittedToBeReleased	9865000
CY2021Q4	bcow	Shares Committed To Be Released SharesCommittedToBeReleased	22401000
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	37640
CY2021Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	15239
CY2022Q2	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	463658
CY2021Q4	bcow	Employee Stock Ownership Plan Esop Number Of Unallocated Shares EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares	377077
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	511163
CY2021Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	414717
CY2022Q2	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	10.25
CY2021Q4	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	10.99
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	4752000
CY2021Q4	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	4144000
CY2022Q2	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	30252000
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	932000
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1034000
	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	0
CY2021	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	202000
	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	4000
CY2021	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	53000
CY2021Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2021Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	21846000
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	932000
CY2022Q2	us-gaap	Marketable Securities MarketableSecurities	2867000
CY2022Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	129543000
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	3544000
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	115984000
CY2022Q2	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2021Q4	bcow	Impairment Loan On Mortgage Servicing Rights ImpairmentLoanOnMortgageServicingRights	0
CY2022Q2	bcow	Consolidated Asset Threshold For Small Bank Holding Companies Maximum ConsolidatedAssetThresholdForSmallBankHoldingCompaniesMaximum	3000000000
CY2022Q2	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	64385000
CY2022Q2	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.118
CY2022Q2	bcow	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	21897000
CY2022Q2	bcow	Common Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04
CY2022Q2	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	27371000
CY2022Q2	bcow	Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.05
CY2022Q2	us-gaap	Capital Capital	64385000
CY2022Q2	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.17
CY2022Q2	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	17017000
CY2022Q2	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2022Q2	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	24579000
CY2022Q2	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.065
CY2022Q2	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	64385000
CY2022Q2	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.17
CY2022Q2	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	22689000
CY2022Q2	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2022Q2	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	30252000
CY2022Q2	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2022Q2	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	67516000
CY2022Q2	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.179
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2022Q2	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.08
CY2022Q2	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	37814000
CY2022Q2	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.10
CY2021Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	65179000
CY2021Q4	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.119
CY2021Q4	bcow	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	21838000
CY2021Q4	bcow	Common Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04
CY2021Q4	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	27298000
CY2021Q4	bcow	Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.05
CY2021Q4	us-gaap	Capital Capital	65179000
CY2021Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.194
CY2021Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	15124000
CY2021Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.065
CY2021Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	65179000
CY2021Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.194
CY2021Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	20166000
CY2021Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2021Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	26888000
CY2021Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2021Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	68037000
CY2021Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.202
CY2021Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	26888000
CY2021Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.08
CY2021Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	33610000
CY2021Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.10
CY2022Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	169167
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	179938
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	149020
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	11436
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-241000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-51000
CY2022Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6289000
CY2021Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	4759000
CY2022Q2	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	446000
CY2021Q2	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	159000
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5843000
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4600000
CY2021Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5843000
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4600000
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.04
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.04
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
	us-gaap	Net Income Loss NetIncomeLoss	-296000
	us-gaap	Net Income Loss NetIncomeLoss	470000
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6282000
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	4754000
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	424000
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	160000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5858000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4594000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	62000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5858000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4656000
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.05
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.1
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.05
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.1
CY2021Q3	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	1.3163
CY2021Q3	bcow	Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme	1.3163
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0306
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0096
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2464
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2464
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y6M
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y6M
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	3.25
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	2.76
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	300720
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.19
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y4M24D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1443067000
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	18955
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	10
	bcow	Share Based Compensation Arrangement By Share Based Payment Award Options Granted Weighted Average Remaining Contractual Term1 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm1	P6Y6M
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue	0
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	319675
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.42
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y10D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1209321000
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	112824
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	6.09
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P7Y10M9D
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	463999000
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	248043
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.58
	bcow	Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsnonvestedgrantednumberofshares Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsnonvestedgrantednumberofshares	18955
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.25
	bcow	Sharebased Compensation Arrangement By Share Based Payment Award Options Nonvested Vested Number Of Shares SharebasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedVestedNumberOfShares	-60147
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	1.56
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	0
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	0
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	206851
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.74
CY2022Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	337000000
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y3M29D
CY2022Q2	bcow	Lessee Operating Lease Liability Payments Due On Fiscal Year LesseeOperatingLeaseLiabilityPaymentsDueOnFiscalYear	43000
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	87000
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
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	7371
	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
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	23532
	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
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	0
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	80967
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	6.6
	bcow	Sharebased Compensation Arrangement Equity Instruments Other Than Options Vested Realted To Shares Surrenders To Cover Payroll Taxes In Period SharebasedCompensationArrangementEquityInstrumentsOtherThanOptionsVestedRealtedToSharesSurrendersToCoverPayrollTaxesInPeriod	7238
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	490000000
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	490000000
CY2022Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y9M
CY2022Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0179
CY2022Q2	bcow	Operating Lease Rent Expense OperatingLeaseRentExpense	19000000
	bcow	Operating Lease Rent Expense OperatingLeaseRentExpense	38000000
CY2021Q2	bcow	Operating Lease Rent Expense OperatingLeaseRentExpense	21000000
	bcow	Operating Lease Rent Expense OperatingLeaseRentExpense	41000000
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	89000
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	91000
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	93000
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	112000
CY2022Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	25000
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	490000

Files In Submission

Name	View Source	Status
0001193125-22-219470-index-headers.html	Edgar Link	pending
0001193125-22-219470-index.html	Edgar Link	pending
0001193125-22-219470.txt	Edgar Link	pending
0001193125-22-219470-xbrl.zip	Edgar Link	pending
bcow-20220630.xsd	Edgar Link	pending
d369564d10q.htm	Edgar Link	pending
d369564dex311.htm	Edgar Link	pending
d369564dex312.htm	Edgar Link	pending
d369564dex321.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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bcow-20220630_cal.xml	Edgar Link	unprocessable
bcow-20220630_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
bcow-20220630_lab.xml	Edgar Link	unprocessable
d369564d10q_htm.xml	Edgar Link	completed
R13.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
bcow-20220630_def.xml	Edgar Link	unprocessable

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

2022 Q3 Form 10-Q Financial Statement

#000119312522219470 Filed on August 12, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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

2022 Q3 Form 10-Q Financial Statement

#000119312522219470 Filed on August 12, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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