$SFBC
Sound Financial Bancorp, Inc. Stock $sfbc

$sfbc Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-Q Financial Statement

#000154111923000040 Filed on November 14, 2023

Income Statement

Concept	2023 Q4	2023 Q3
Revenue		$12.69M
YoY Change		17.72%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin		$1.625M
YoY Change		2.78%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$183.0K	$184.0K
YoY Change	10.91%	-0.54%
% of Gross Profit
Operating Expenses		$1.625M
YoY Change		2.78%
Operating Profit
YoY Change
Interest Expense		$4.518M
YoY Change		283.21%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$1.353M	$1.464M
YoY Change	-60.93%	-54.42%
Income Tax	$142.0K	$295.0K
% Of Pretax Income	10.5%	20.15%
Net Earnings	$1.204M	$1.169M
YoY Change	-58.82%	-54.08%
Net Earnings / Revenue		9.21%
Basic Earnings Per Share		$0.45
Diluted Earnings Per Share	$0.47	$0.45
COMMON SHARES
Basic Shares Outstanding	2.569M shares	2.571M shares
Diluted Shares Outstanding		2.572M shares

Balance Sheet

Concept	2023 Q4	2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$49.69M	$101.9M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$5.240M	$5.204M
YoY Change	-50.64%	-51.92%
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	$995.2M	$1.030B
YoY Change	1.93%	4.88%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$817.0K	$588.0K
YoY Change	106.84%	439.45%
Accrued Expenses	$4.821M	$5.065M
YoY Change	-11.51%	-11.9%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$5.638M	$5.653M
YoY Change	-3.51%	-3.5%
LONG-TERM LIABILITIES
Long-Term Debt	$11.72M	$11.71M
YoY Change	0.35%	0.36%
Other Long-Term Liabilities	$10.67M	$11.70M
YoY Change	13.98%	18.57%
Total Long-Term Liabilities	$22.39M	$23.41M
YoY Change	6.42%	8.71%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.638M	$5.653M
Total Long-Term Liabilities	$22.39M	$23.41M
Total Liabilities	$894.6M	$929.9M
YoY Change	1.81%	4.81%
SHAREHOLDERS EQUITY
Retained Earnings	$73.63M	$73.44M
YoY Change	4.0%	7.51%
Common Stock	$25.00K	$25.00K
YoY Change	-3.85%	-3.85%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$100.7M	$100.2M
YoY Change
Total Liabilities & Shareholders Equity	$995.2M	$1.030B
YoY Change	1.93%	4.88%

Cashflow Statement

Concept	2023 Q4	2023 Q3
OPERATING ACTIVITIES
Net Income	$1.204M	$1.169M
YoY Change	-58.82%	-54.08%
Depreciation, Depletion And Amortization	$183.0K	$184.0K
YoY Change	10.91%	-0.54%
Cash From Operating Activities	$2.122M	$2.964M
YoY Change	-53.79%	-5210.34%
INVESTING ACTIVITIES
Capital Expenditures	$219.0K	$65.00K
YoY Change	26.59%	-212.07%
Acquisitions
YoY Change
Other Investing Activities	-$18.93M	-$19.90M
YoY Change	18.66%	-57.46%
Cash From Investing Activities	-$19.15M	-$19.97M
YoY Change	18.75%	-57.37%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-35.18M	18.72M
YoY Change	425.31%	-56.38%
NET CHANGE
Cash From Operating Activities	2.122M	2.964M
Cash From Investing Activities	-19.15M	-19.97M
Cash From Financing Activities	-35.18M	18.72M
Net Change In Cash	-52.20M	1.714M
YoY Change	186.37%	-142.99%
FREE CASH FLOW
Cash From Operating Activities	$2.122M	$2.964M
Capital Expenditures	$219.0K	$65.00K
Free Cash Flow	$1.903M	$2.899M
YoY Change	-56.94%	1811070573251491000.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11505000	usd
CY2022Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	10327000	usd
CY2023Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	12686000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	10776000	usd
CY2022Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	730000	usd
CY2023Q3	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	473000	usd
CY2022Q3	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	281000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	4518000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	8168000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9597000	usd
CY2023Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	75000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	346000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	8093000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9251000	usd
CY2023Q3	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	700000	usd
CY2022Q3	sfbc	Bank Owned Life Insurance Income Loss BankOwnedLifeInsuranceIncomeLoss	59000	usd
CY2023Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	295000	usd
CY2022Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	306000	usd
CY2023Q3	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	78000	usd
CY2022Q3	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-9000	usd
CY2023Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	76000	usd
CY2022Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	48000	usd
CY2023Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4148000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4044000	usd
CY2023Q3	sfbc	Regulatory Assessments RegulatoryAssessments	183000	usd
CY2022Q3	sfbc	Regulatory Assessments RegulatoryAssessments	116000	usd
CY2023Q3	us-gaap	Occupancy Net OccupancyNet	458000	usd
CY2023Q3	sfbc	Losses Gains On Sales Of Other Real Estate Owned And Repossessed Assets LossesGainsOnSalesOfOtherRealEstateOwnedAndRepossessedAssets	0	usd
CY2022Q3	sfbc	Losses Gains On Sales Of Other Real Estate Owned And Repossessed Assets LossesGainsOnSalesOfOtherRealEstateOwnedAndRepossessedAssets	0	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	7710000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	7065000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.97
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2553773	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2562551	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2571808	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2597690	shares
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1169000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	2546000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-400000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-64000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-84000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-243000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	926000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2230000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1169000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-243000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	88000	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.19
CY2023Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	489000	usd
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	404000	usd
CY2022	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2023#AccountingStandardsUpdate201613Member
CY2023Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	2174000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	2199000	usd
CY2023Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	1153000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	875434000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	865981000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	8438000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7599000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	866996000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	858382000	usd
CY2023Q3	us-gaap	Interest Receivable InterestReceivable	3415000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	3083000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	21638000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	21314000	usd
CY2023Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	575000	usd
CY2022Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	659000	usd
CY2023Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4681000	usd
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4687000	usd
CY2023Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	2783000	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	2832000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5204000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5513000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4732000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	5102000	usd
CY2023Q3	us-gaap	Other Assets OtherAssets	6955000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	4537000	usd
CY2023Q3	us-gaap	Assets Assets	1030176000	usd
CY2022Q4	us-gaap	Assets Assets	976351000	usd
CY2023Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	706954000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	635567000	usd
CY2023Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	153921000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	173196000	usd
CY2023Q3	us-gaap	Deposits Deposits	860875000	usd
CY2022Q4	us-gaap	Deposits Deposits	808763000	usd
CY2023Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	40000000	usd
CY2022Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	43000000	usd
CY2023Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	588000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	395000	usd
CY2023Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	5065000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	5448000	usd
CY2023Q3	us-gaap	Other Liabilities OtherLiabilities	9794000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	8318000	usd
CY2023Q3	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	1909000	usd
CY2022Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	1046000	usd
CY2023Q3	us-gaap	Subordinated Debt SubordinatedDebt	11707000	usd
CY2022Q4	us-gaap	Subordinated Debt SubordinatedDebt	11676000	usd
CY2023Q3	us-gaap	Liabilities Liabilities	929938000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	878646000	usd
CY2023Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	2568054	shares
CY2023Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	2568054	shares
CY2023Q3	us-gaap	Common Stock Value CommonStockValue	25000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	26000	usd
CY2023Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	28112000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	28004000	usd
CY2023Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	73438000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	70792000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1337000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1117000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	100238000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	97705000	usd
CY2023Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1030176000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	976351000	usd
CY2023Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3877000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	1179000	usd
CY2022Q3	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	604000	usd
CY2023Q3	sfbc	Bank Owned Life Insurance Income Loss BankOwnedLifeInsuranceIncomeLoss	88000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	1081000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	1026000	usd
	us-gaap	Noninterest Income NoninterestIncome	3940000	usd
	us-gaap	Noninterest Income NoninterestIncome	3564000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	13333000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12181000	usd
CY2023Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1625000	usd
CY2022Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1610000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	4557000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	4345000	usd
	sfbc	Regulatory Assessments RegulatoryAssessments	490000	usd
	sfbc	Regulatory Assessments RegulatoryAssessments	316000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	447000	usd
	us-gaap	Occupancy Net OccupancyNet	1352000	usd
	us-gaap	Occupancy Net OccupancyNet	1318000	usd
CY2023Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1296000	usd
CY2022Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	848000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3077000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2518000	usd
	sfbc	Losses Gains On Sales Of Other Real Estate Owned And Repossessed Assets LossesGainsOnSalesOfOtherRealEstateOwnedAndRepossessedAssets	13000	usd
	sfbc	Losses Gains On Sales Of Other Real Estate Owned And Repossessed Assets LossesGainsOnSalesOfOtherRealEstateOwnedAndRepossessedAssets	0	usd
	us-gaap	Noninterest Expense NoninterestExpense	22822000	usd
	us-gaap	Noninterest Expense NoninterestExpense	20678000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1464000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3212000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	7647000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	7414000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	295000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	666000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1419000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1533000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1169000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	2546000	usd
	us-gaap	Net Income Loss NetIncomeLoss	6228000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5881000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.41
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.23
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2568899	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2582891	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2588788	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2617581	shares
	us-gaap	Net Income Loss NetIncomeLoss	6228000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5881000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-307000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-278000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1777000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-58000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-373000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-316000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-220000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1404000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6008000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4477000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	99924000	usd
CY2023Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	228000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	17000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	100238000	usd
	us-gaap	Net Income Loss NetIncomeLoss	6228000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-220000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	368000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.55
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1425000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1399000	usd
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	190000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	320000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	100238000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	93057000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	2546000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-316000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	90000	usd
CY2022Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	91000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.17
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	440000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	110000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	94956000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	93358000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5881000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1404000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	384000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.61
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1591000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	264000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	497000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	14822000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	17750000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	15828000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	17979000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-13000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	332000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	592000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2276000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	626000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	193000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-91000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1476000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-500000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4764000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5462000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	4380000	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	2226000	usd
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	25000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	9601000	usd
	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	-633000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	225000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	329000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	8359000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7599000	usd
CY2023Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1030000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	335000	usd
CY2023Q1	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	9389000	usd
CY2022Q4	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	7934000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	0	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	1227000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	1233000	usd
CY2023Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	0	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	5027000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	3770000	usd
CY2023Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	704000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	486000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	3269000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	2827000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	1470000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	9673000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	11000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1704000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	7980000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	11621000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	17000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1431000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	10207000	usd
CY2023Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	2174000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	503000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1671000	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	2199000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	388000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1811000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	150000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	150000	usd
CY2023Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1185000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	9673000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	7980000	usd
CY2023Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	2174000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1671000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	0	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	78000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	54000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	502000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	6060000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1702000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	6562000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1704000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1671000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	503000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	1671000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	503000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	6766000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	957000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1538000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	474000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	8304000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1431000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1810000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	388000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	1810000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	388000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2023Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	9700000	usd
CY2022Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	12000000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	3	security
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	17	security
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	3	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	16	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	3	security
CY2023Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	876851000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	867556000	usd
CY2023Q3	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	850000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	973000	usd
CY2023Q3	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	-2267000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	-2548000	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	875434000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	865981000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	8438000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7599000	usd
CY2023Q3	us-gaap	Notes Receivable Net NotesReceivableNet	866996000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	858382000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	8217000	usd
CY2023Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	706000	usd
CY2023Q2	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	8923000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7117000	usd
CY2022Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	411000	usd
CY2022Q2	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	7528000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	224000	usd
CY2023Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-149000	usd
CY2023Q3	sfbc	Financing Receivable Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	75000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	375000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-29000	usd
CY2022Q3	sfbc	Financing Receivable Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	346000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	3000	usd
CY2023Q3	sfbc	Off Balance Sheet Credit Loss Liability Writeoff Recovery OffBalanceSheetCreditLossLiabilityWriteoffRecovery	0	usd
CY2023Q3	sfbc	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoffRecovery	3000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	3000	usd
CY2022Q3	sfbc	Off Balance Sheet Credit Loss Liability Writeoff Recovery OffBalanceSheetCreditLossLiabilityWriteoffRecovery	0	usd
CY2022Q3	sfbc	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoffRecovery	3000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	8438000	usd
CY2023Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	557000	usd
CY2023Q3	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	8995000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7489000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	382000	usd
CY2022Q3	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	7871000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7599000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	335000	usd
CY2022Q4	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	7934000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	6306000	usd
CY2021Q4	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	6710000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-473000	usd
	sfbc	Financing Receivable Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-246000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	1101000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-22000	usd
	sfbc	Financing Receivable Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1079000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	148000	usd
	sfbc	Off Balance Sheet Credit Loss Liability Writeoff Recovery OffBalanceSheetCreditLossLiabilityWriteoffRecovery	0	usd
	sfbc	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoffRecovery	148000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	-82000	usd
	sfbc	Off Balance Sheet Credit Loss Liability Writeoff Recovery OffBalanceSheetCreditLossLiabilityWriteoffRecovery	0	usd
	sfbc	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoffRecovery	-82000	usd
CY2023Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	557000	usd
CY2023Q3	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	8995000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	382000	usd
CY2022Q3	sfbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetCreditLossLiability	7871000	usd
CY2023Q3	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	3200000	usd
CY2022Q4	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	3000000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	27000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	24000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	224000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	8438000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7599000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	184000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	36000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	227000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	8438000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7117000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	6000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	3000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	375000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7489000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	6306000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	48000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	130000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	1101000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	7489000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	76518000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	263188000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	279474000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	60270000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	55331000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	119803000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	19323000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	1527000	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	875434000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	867556000	usd
CY2023Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1762000	usd
CY2023Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	1718000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2959000	usd
CY2022Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	2915000	usd
CY2023Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	875434000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	867556000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	867556000	usd
CY2023Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2000000	usd
CY2023Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2022Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2000000	usd
CY2023Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1859000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	4856000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	3858000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	986000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	4844000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	184000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5409000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	176000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	6341000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	298000	usd
CY2023Q3	us-gaap	Principal Amount Outstanding Of Loans Held In Portfolio PrincipalAmountOutstandingOfLoansHeldInPortfolio	456100000	usd
CY2022Q4	us-gaap	Principal Amount Outstanding Of Loans Held In Portfolio PrincipalAmountOutstandingOfLoansHeldInPortfolio	472500000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	2546000	usd
	us-gaap	Net Income Loss NetIncomeLoss	6228000	usd
CY2023Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4726000	usd
CY2022Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4754000	usd
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4687000	usd
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4273000	usd
CY2023Q3	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	33000	usd
CY2022Q3	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	24000	usd
	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	117000	usd
	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	180000	usd
CY2023Q3	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-78000	usd
CY2022Q3	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	9000	usd
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-123000	usd
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	334000	usd
CY2023Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4681000	usd
CY2022Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4787000	usd
CY2023Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4681000	usd
CY2022Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4787000	usd
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	1.22
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	1.32
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P7Y10M24D
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P7Y6M
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.125
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.125
CY2023Q3	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	295000	usd
	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	891000	usd
CY2022Q3	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	306000	usd
	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	939000	usd
CY2023Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	2800000	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	2800000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1169000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5881000	usd
CY2023Q3	us-gaap	Dividends And Interest Paid DividendsAndInterestPaid	3000	usd
CY2022Q3	us-gaap	Dividends And Interest Paid DividendsAndInterestPaid	3000	usd
	us-gaap	Dividends And Interest Paid DividendsAndInterestPaid	9000	usd
	us-gaap	Dividends And Interest Paid DividendsAndInterestPaid	11000	usd
CY2023Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	4000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	15000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	31000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	30000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1162000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2528000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6188000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5840000	usd
CY2023Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	4000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	15000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	31000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	30000	usd
CY2023Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-4000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-15000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-30000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-30000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1162000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	2528000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	6189000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	5840000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2553773	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2562551	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2568899	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2582891	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	18035	shares
CY2022Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	35139	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	19889	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	34690	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2571808	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2597690	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2588788	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2617581	shares
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.41
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.97
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.23
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7892	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2612	shares
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	88000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	368000	usd
CY2022Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	90000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	384000	usd
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	20000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	408000	usd
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	113000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	168000	usd
CY2023Q3	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	162523	shares
CY2023Q3	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	6000000	usd
CY2023Q3	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	204000	usd
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	612000	usd
CY2022Q3	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	205000	usd
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	580000	usd
	sfbc	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	1	renewaloption
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4732000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	5102000	usd
CY2023Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	5065000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	5448000	usd
CY2023Q3	us-gaap	Sublease Income SubleaseIncome	3000	usd
CY2022Q3	us-gaap	Sublease Income SubleaseIncome	3000	usd
	us-gaap	Sublease Income SubleaseIncome	9000	usd
	us-gaap	Sublease Income SubleaseIncome	9000	usd
CY2023Q3	us-gaap	Lease Cost LeaseCost	267000	usd
CY2022Q3	us-gaap	Lease Cost LeaseCost	282000	usd
	us-gaap	Lease Cost LeaseCost	799000	usd
	us-gaap	Lease Cost LeaseCost	838000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	278000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1104000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	958000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	939000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	957000	usd
CY2023Q3	sfbc	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	1222000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	5458000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	393000	usd
CY2023Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	5065000	usd
CY2023Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
FilingSummary.xml	Edgar Link	unprocessable
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0001541119-23-000040-index.html	Edgar Link	pending
0001541119-23-000040.txt	Edgar Link	pending
0001541119-23-000040-xbrl.zip	Edgar Link	pending
ex-311q32023.htm	Edgar Link	pending
ex-312q32023.htm	Edgar Link	pending
ex-32q32023.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
sfbc-20230930.htm	Edgar Link	pending
sfbc-20230930.xsd	Edgar Link	pending
Show.js	Edgar Link	pending
sfbc-20230930_def.xml	Edgar Link	unprocessable
sfbc-20230930_cal.xml	Edgar Link	unprocessable
sfbc-20230930_lab.xml	Edgar Link	unprocessable
sfbc-20230930_pre.xml	Edgar Link	unprocessable
sfbc-20230930_htm.xml	Edgar Link	completed

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$SFBC
Sound Financial Bancorp, Inc. Stock $sfbc

2023 Q4 Form 10-Q Financial Statement

#000154111923000040 Filed on November 14, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SFBC Sound Financial Bancorp, Inc. Stock $sfbc

2023 Q4 Form 10-Q Financial Statement

#000154111923000040 Filed on November 14, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SFBC
Sound Financial Bancorp, Inc. Stock $sfbc