$FFNW
First Financial Northwest, Inc. Stock $ffnw

$ffnw Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000093905724000299 Filed on November 07, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$677.0K
YoY Change		0.0%
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		$485.0K
YoY Change		-4.9%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income		-$932.0K
YoY Change		-148.8%
Income Tax		-$324.0K
% Of Pretax Income
Net Earnings		-$608.0K
YoY Change		-140.51%
Net Earnings / Revenue		-89.81%
Basic Earnings Per Share		-$0.07
Diluted Earnings Per Share		-$0.07
COMMON SHARES
Basic Shares Outstanding	9.230M shares	9.180M shares
Diluted Shares Outstanding		9.190M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$81.31M
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		$18.58M
YoY Change		-6.71%
Goodwill		$889.0K
YoY Change		0.0%
Intangibles		$326.0K
YoY Change		-27.72%
Long-Term Investments
YoY Change
Other Assets		$2.690M
YoY Change		-15.94%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets		$1.451B
YoY Change		-4.88%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$294.0K
YoY Change		-88.69%
Accrued Expenses		$2.673M
YoY Change		-10.9%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$2.967M
YoY Change		-47.02%
LONG-TERM LIABILITIES
Long-Term Debt		$0.00
YoY Change
Other Long-Term Liabilities		$15.34M
YoY Change		-25.17%
Total Long-Term Liabilities		$15.34M
YoY Change		-25.17%
TOTAL LIABILITIES
Total Short-Term Liabilities		$2.967M
Total Long-Term Liabilities		$15.34M
Total Liabilities		$1.291B
YoY Change		-5.52%
SHAREHOLDERS EQUITY
Retained Earnings		$93.69M
YoY Change		-2.61%
Common Stock		$92.00K
YoY Change		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$160.2M
YoY Change
Total Liabilities & Shareholders Equity		$1.451B
YoY Change		-4.88%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		-$608.0K
YoY Change		-140.51%
Depreciation, Depletion And Amortization		$485.0K
YoY Change		-4.9%
Cash From Operating Activities		$1.699M
YoY Change		-79.58%
INVESTING ACTIVITIES
Capital Expenditures		$62.00K
YoY Change		-55.71%
Acquisitions
YoY Change
Other Investing Activities		$17.59M
YoY Change		167.31%
Cash From Investing Activities		$17.53M
YoY Change		172.58%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		3.097M
YoY Change		-129.13%
NET CHANGE
Cash From Operating Activities		1.699M
Cash From Investing Activities		17.53M
Cash From Financing Activities		3.097M
Net Change In Cash		22.32M
YoY Change		441.82%
FREE CASH FLOW
Cash From Operating Activities		$1.699M
Capital Expenditures		$62.00K
Free Cash Flow		$1.637M
YoY Change		-79.99%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
	dei	Entity Central Index Key EntityCentralIndexKey	0001401564
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-33652
	dei	Entity Registrant Name EntityRegistrantName	FIRST FINANCIAL NORTHWEST, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	WA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	26-0610707
	dei	Entity Address Address Line1 EntityAddressAddressLine1	201 Wells Avenue South
	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
	dei	Trading Symbol TradingSymbol	FFNW
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	9230010	shares
CY2024Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	8423000	usd
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	8391000	usd
CY2024Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	72884000	usd
CY2023Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	22138000	usd
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	98057
	dei	City Area Code CityAreaCode	(425)
	dei	Local Phone Number LocalPhoneNumber	255-4400
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	-608000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1501000	usd
	dei	Entity Address City Or Town EntityAddressCityOrTown	Renton
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	223725000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	156609000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	207915000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2462000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2456000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	2462000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	2456000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	16265000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	15306000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1126146000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1175925000	usd
CY2024Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	5403000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6527000	usd
CY2024Q3	us-gaap	Interest Receivable InterestReceivable	6638000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	7359000	usd
CY2024Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	2690000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	2648000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	18584000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19667000	usd
CY2024Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	38661000	usd
CY2023Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	37653000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	8898000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	10478000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2473000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2617000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	889000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	889000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	326000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	419000	usd
CY2024Q3	us-gaap	Assets Assets	1451086000	usd
CY2023Q4	us-gaap	Assets Assets	1505082000	usd
CY2024Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	100466000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	100899000	usd
CY2024Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1066889000	usd
CY2024Q3	us-gaap	Deposits Deposits	1167355000	usd
CY2023Q4	us-gaap	Deposits Deposits	1194107000	usd
CY2024Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	100000000	usd
CY2023Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	125000000	usd
CY2024Q3	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	5211000	usd
CY2023Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	2952000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	2673000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	2806000	usd
CY2024Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	294000	usd
CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	2739000	usd
CY2024Q3	us-gaap	Other Liabilities OtherLiabilities	15340000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	15818000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	1290873000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	1343422000	usd
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2024Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2024Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	92000	usd
CY2024Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	72916000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	73035000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	93692000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1451086000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1505082000	usd
CY2024Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	16658000	usd
CY2023Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	16918000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	50430000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	49796000	usd
CY2024Q3	us-gaap	Interest Income Debt Securities Available For Sale Operating InterestIncomeDebtSecuritiesAvailableForSaleOperating	1744000	usd
CY2023Q3	us-gaap	Interest Income Debt Securities Available For Sale Operating InterestIncomeDebtSecuritiesAvailableForSaleOperating	2118000	usd
	us-gaap	Interest Income Debt Securities Available For Sale Operating InterestIncomeDebtSecuritiesAvailableForSaleOperating	5694000	usd
	us-gaap	Interest Income Debt Securities Available For Sale Operating InterestIncomeDebtSecuritiesAvailableForSaleOperating	6331000	usd
CY2024Q3	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	863000	usd
CY2023Q3	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	525000	usd
	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	1831000	usd
	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	1381000	usd
CY2024Q3	ffnw	Investment Income Dividendsfrom Fhlb InvestmentIncomeDividendsfromFHLB	150000	usd
CY2023Q3	ffnw	Investment Income Dividendsfrom Fhlb InvestmentIncomeDividendsfromFHLB	113000	usd
	ffnw	Investment Income Dividendsfrom Fhlb InvestmentIncomeDividendsfromFHLB	420000	usd
	ffnw	Investment Income Dividendsfrom Fhlb InvestmentIncomeDividendsfromFHLB	364000	usd
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	19415000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	19674000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	58375000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	57872000	usd
CY2024Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	9748000	usd
CY2023Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	9205000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	29162000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	24127000	usd
CY2024Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Short Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesShortTerm	1213000	usd
CY2023Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Short Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesShortTerm	766000	usd
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Short Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesShortTerm	2889000	usd
CY2024Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	8454000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9703000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	26324000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31269000	usd
CY2023Q3	ffnw	Recaptureof Provisionfor Loanand Lease Losses RecaptureofProvisionforLoanandLeaseLosses	300000	usd
	ffnw	Recaptureof Provisionfor Loanand Lease Losses RecaptureofProvisionforLoanandLeaseLosses	-1200000	usd
	ffnw	Recaptureof Provisionfor Loanand Lease Losses RecaptureofProvisionforLoanandLeaseLosses	208000	usd
CY2024Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	6879000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	10003000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	25124000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	31477000	usd
CY2024Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	295000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	244000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	956000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	826000	usd
CY2024Q3	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	42000	usd
CY2023Q3	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	53000	usd
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	190000	usd
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	193000	usd
CY2024Q3	ffnw	Deposit Fees DepositFees	236000	usd
CY2023Q3	ffnw	Deposit Fees DepositFees	247000	usd
	ffnw	Deposit Fees DepositFees	697000	usd
	ffnw	Deposit Fees DepositFees	722000	usd
CY2024Q3	ffnw	Loan Revenue LoanRevenue	96000	usd
CY2023Q3	ffnw	Loan Revenue LoanRevenue	79000	usd
	ffnw	Loan Revenue LoanRevenue	251000	usd
	ffnw	Loan Revenue LoanRevenue	215000	usd
CY2024Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	8000	usd
CY2023Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	54000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	43000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	184000	usd
CY2024Q3	us-gaap	Noninterest Income NoninterestIncome	677000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	677000	usd
	us-gaap	Noninterest Income NoninterestIncome	2137000	usd
	us-gaap	Noninterest Income NoninterestIncome	2140000	usd
CY2024Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4606000	usd
CY2023Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5018000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	15186000	usd
CY2024Q3	us-gaap	Occupancy Net OccupancyNet	1183000	usd
CY2023Q3	us-gaap	Occupancy Net OccupancyNet	1193000	usd
	us-gaap	Occupancy Net OccupancyNet	3634000	usd
	us-gaap	Occupancy Net OccupancyNet	3517000	usd
CY2024Q3	us-gaap	Professional Fees ProfessionalFees	585000	usd
CY2023Q3	us-gaap	Professional Fees ProfessionalFees	553000	usd
	us-gaap	Professional Fees ProfessionalFees	2635000	usd
	us-gaap	Professional Fees ProfessionalFees	1857000	usd
CY2024Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	838000	usd
CY2023Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	742000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2480000	usd
CY2024Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	165000	usd
CY2023Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	200000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	502000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	568000	usd
CY2024Q3	us-gaap	General Insurance Expense GeneralInsuranceExpense	113000	usd
	us-gaap	General Insurance Expense GeneralInsuranceExpense	363000	usd
	us-gaap	General Insurance Expense GeneralInsuranceExpense	356000	usd
CY2024Q3	us-gaap	Marketing Expense MarketingExpense	46000	usd
CY2023Q3	us-gaap	Marketing Expense MarketingExpense	97000	usd
	us-gaap	Marketing Expense MarketingExpense	155000	usd
	us-gaap	Marketing Expense MarketingExpense	273000	usd
CY2024Q3	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	952000	usd
CY2023Q3	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	856000	usd
	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	2804000	usd
	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	2975000	usd
CY2024Q3	us-gaap	Noninterest Expense NoninterestExpense	8488000	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	8770000	usd
	us-gaap	Noninterest Expense NoninterestExpense	27759000	usd
	us-gaap	Noninterest Expense NoninterestExpense	27228000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-932000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1910000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-498000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	6389000	usd
CY2024Q3	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-324000	usd
CY2023Q3	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	409000	usd
	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-370000	usd
	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1278000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1501000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-128000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5111000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.56
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9190146	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9127568	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9171579	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9117554	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9150059	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9171579	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9146709	shares
	us-gaap	Net Income Loss NetIncomeLoss	-128000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5111000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2967000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-938000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	3844000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-3726000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	623000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-197000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-783000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	-2758000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	720000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	-2343000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	213000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-579000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	151000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-492000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	45000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	165000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-172000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1186000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2775000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-443000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1329000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1058000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2336000	usd
CY2024Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9179825	shares
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	160693000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	-608000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	165000	usd
CY2024Q3	ffnw	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverage	12.84
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y8M4D
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	483800	usd
CY2024Q3	ffnw	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue	4.34
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6652000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	165000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6487000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7673000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1186000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1186000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6487000	usd
	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2024#AccountingStandardsUpdate201613Member
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	168574000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1093208000	usd
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2024Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	9213969	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9213969	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9179510	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	9179510	shares
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	92000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	96206000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6487000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7673000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	160213000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	161660000	usd
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Short Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesShortTerm	2476000	usd
CY2024Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	10961000	usd
CY2023Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	9971000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	32051000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	26603000	usd
CY2024Q3	ffnw	Recaptureof Provisionfor Loanand Lease Losses RecaptureofProvisionforLoanandLeaseLosses	-1575000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	15543000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2139000	usd
CY2023Q3	us-gaap	General Insurance Expense GeneralInsuranceExpense	111000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	-608000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9190146	shares
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	807000	usd
CY2024Q3	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	75000	shares
CY2024Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	808000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	47000	usd
CY2024Q3	ffnw	Stock Canceled During Period Shares Restricted Stock Award Gross StockCanceledDuringPeriodSharesRestrictedStockAwardGross	40856	shares
CY2024Q3	ffnw	Stock Canceled During Period Value Restricted Stock Award Gross StockCanceledDuringPeriodValueRestrictedStockAwardGross	892000	usd
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9213969	shares
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	160213000	usd
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9179510	shares
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	161660000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-128000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1186000	usd
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	82500	shares
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	889000	usd
	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	7673	shares
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	195000	usd
	ffnw	Stock Canceled During Period Shares Restricted Stock Award Gross StockCanceledDuringPeriodSharesRestrictedStockAwardGross	55714	shares
	ffnw	Stock Canceled During Period Value Restricted Stock Award Gross StockCanceledDuringPeriodValueRestrictedStockAwardGross	1203000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.26
	us-gaap	Dividends Common Stock DividendsCommonStock	2386000	usd
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9213969	shares
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	160213000	usd
CY2023Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9148086	shares
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	158715000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1501000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-172000	usd
CY2023Q3	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	95019	shares
CY2023Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1023000	usd
CY2023Q3	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	13000	shares
CY2023Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	270000	usd
CY2023Q3	ffnw	Stock Canceled During Period Shares Restricted Stock Award Gross StockCanceledDuringPeriodSharesRestrictedStockAwardGross	76595	shares
CY2023Q3	ffnw	Stock Canceled During Period Value Restricted Stock Award Gross StockCanceledDuringPeriodValueRestrictedStockAwardGross	911000	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.13
CY2023Q3	us-gaap	Dividends Common Stock DividendsCommonStock	1191000	usd
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9179510	shares
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	159235000	usd
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9127595	shares
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	160360000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5111000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2775000	usd
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	95019	shares
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1023000	usd
	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	40618	shares
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	497000	usd
	ffnw	Stock Canceled During Period Shares Restricted Stock Award Gross StockCanceledDuringPeriodSharesRestrictedStockAwardGross	83722	shares
	ffnw	Stock Canceled During Period Value Restricted Stock Award Gross StockCanceledDuringPeriodValueRestrictedStockAwardGross	1018000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.39
	us-gaap	Dividends Common Stock DividendsCommonStock	3569000	usd
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9179510	shares
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	159235000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-128000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5111000	usd
	ffnw	Recaptureof Provisionfor Loanand Lease Losses RecaptureofProvisionforLoanandLeaseLosses	-1200000	usd
	ffnw	Recaptureof Provisionfor Loanand Lease Losses RecaptureofProvisionforLoanandLeaseLosses	208000	usd
	us-gaap	Investment Income Net Amortization Of Discount And Premium InvestmentIncomeNetAmortizationOfDiscountAndPremium	-531000	usd
	us-gaap	Investment Income Net Amortization Of Discount And Premium InvestmentIncomeNetAmortizationOfDiscountAndPremium	-408000	usd
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1475000	usd
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1531000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-4000	usd
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-356000	usd
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	284000	usd
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	195000	usd
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	497000	usd
	ffnw	Bank Owned Life Insurance Income Net Of Dividends Received BankOwnedLifeInsuranceIncomeNetOfDividendsReceived	935000	usd
	ffnw	Bank Owned Life Insurance Income Net Of Dividends Received BankOwnedLifeInsuranceIncomeNetOfDividendsReceived	826000	usd
	ffnw	Change In Annuity Value ChangeInAnnuityValue	9000	usd
	ffnw	Change In Annuity Value ChangeInAnnuityValue	9000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	671000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	884000	usd
	ffnw	Increase Decrease In Rightof Use Asset IncreaseDecreaseInRightofUseAsset	-586000	usd
	ffnw	Increase Decrease In Rightof Use Asset IncreaseDecreaseInRightofUseAsset	-565000	usd
	ffnw	Increase Decreasein Advance Paymentsfor Taxesand Insurance IncreaseDecreaseinAdvancePaymentsforTaxesandInsurance	2259000	usd
	ffnw	Increase Decreasein Advance Paymentsfor Taxesand Insurance IncreaseDecreaseinAdvancePaymentsforTaxesandInsurance	1709000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-721000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	750000	usd
	ffnw	Increase Decrease In Lease Liability IncreaseDecreaseInLeaseLiability	-575000	usd
	ffnw	Increase Decrease In Lease Liability IncreaseDecreaseInLeaseLiability	-551000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-2445000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	2318000	usd
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-475000	usd
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-366000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1373000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	8833000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	40000000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	0	usd
	ffnw	Principal Repaymentson Investments Availablefor Sale PrincipalRepaymentsonInvestmentsAvailableforSale	14619000	usd
	ffnw	Principal Repaymentson Investments Availablefor Sale PrincipalRepaymentsonInvestmentsAvailableforSale	8669000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-48579000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	1096000	usd
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-1124000	usd
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-709000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	392000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	264000	usd
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	73000	usd
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	286000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	103857000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	7732000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-26752000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	40370000	usd
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	104000000	usd
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	179000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	129000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	199000000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	889000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1023000	usd
	ffnw	Net Settlementof Stock Awards NetSettlementofStockAwards	1203000	usd
	ffnw	Net Settlementof Stock Awards NetSettlementofStockAwards	1017000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	2386000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	3569000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-54452000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	16807000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	50778000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	33372000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	30529000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	24320000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	81307000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	57692000	usd
	us-gaap	Interest Paid Net InterestPaidNet	34496000	usd
	us-gaap	Interest Paid Net InterestPaidNet	24285000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	635000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	1900000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	3844000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-3726000	usd
	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-2344000	usd
	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	213000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	442000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	108000	usd
	ffnw	Initial Recognitionof Lease Liability InitialRecognitionofLeaseLiability	442000	usd
	ffnw	Initial Recognitionof Lease Liability InitialRecognitionofLeaseLiability	108000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Description of Business<div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">First Financial Northwest, Inc. (“First Financial Northwest”), a Washington corporation, was formed on June 1, 2007 for the purpose of becoming the holding company for First Financial Northwest Bank (the “Bank”) in connection with the conversion from a mutual holding company structure to a stock holding company structure completed on October 9, 2007. First Financial Northwest’s business activities generally are limited to passive investment activities and oversight of its investment in the Bank. Accordingly, the information presented in the consolidated financial statements and accompanying data, relates primarily to the Bank. First Financial Northwest is a bank holding company, having converted from a savings and loan holding company on March 31, 2015, and as a bank holding company is subject to regulation by the Federal Reserve Bank of San Francisco (“FRB”). The Bank is regulated by the Federal Deposit Insurance Corporation (“FDIC”) and the Washington State Department of Financial Institutions (“DFI”).</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">At September 30, 2024, the Bank operated in 15 locations in Washington with the headquarters and seven retail branch locations in King County, five retail branch locations in Snohomish County and two retail branches in Pierce County. The Bank’s primary market area consists of King, Snohomish, Pierce and Kitsap counties, Washington. </span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Bank is a portfolio lender, originating and purchasing one-to-four family residential, multifamily, commercial real estate, construction/land development, business, and consumer loans. Loans are primarily funded by deposits from the general public, supplemented by borrowings from the FHLB and deposits raised in the national brokered deposit market.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">On January 10, 2024, Global Federal Credit Union (“Global”), First Financial Northwest and the Bank entered into a Purchase and Assumption (“P&A”) Agreement, pursuant to which Global will acquire substantially all of the assets and assume substantially all of the liabilities (including deposit liabilities) of the Bank, which we refer to herein as the asset sale, in exchange for $231.2 million in cash, subject to possible downward adjustments. The asset sale is the first integral step in the sale transaction contemplated by the P&A Agreement, which consists of: (1) the asset sale, (2) the voluntary liquidation of the Bank and distribution of the Bank’s remaining assets, which will include the cash consideration paid by Global to the Bank in the asset sale, to First Financial Northwest, and (3) the winding up and voluntary dissolution of First Financial Northwest and the distribution of its remaining assets, including the remaining net cash proceeds from the asset sale, to its shareholders.</span></div><div><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Consummation of the asset sale and related transactions is subject to certain conditions, including, among others, the receipt of all required regulatory approvals and expiration of applicable waiting periods, accuracy of specified representations and warranties of each party, the performance in all material respects by each party of its obligations under the P&A Agreement, and the absence of any injunctions or other legal restraints.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The P&A Agreement provides certain termination rights for both Global and the Bank, and further provides that upon termination of the P&A Agreement under certain circumstances, the Bank will be obligated to pay Global a termination fee of $9.4 million. Additional information regarding the asset sale, including the P&A Agreement, can be found in the Definitive Proxy Statement on Schedule 14A filed by First Financial Northwest with the U.S. Securities and Exchange Commission (“SEC”) on June 6, 2024. On July 19, 2024, the Company received its shareholders’ approval for the asset sale, as well as the proposal to voluntarily dissolve the Company and distribute its net assets following the completion of the asset sale. </span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Bank previously received required regulatory approval from both the Washington State Department of Financial Institutions and the FDIC in connection with the asset sale and Bank liquidation, but consummation of the asset sale remains subject to the required regulatory approval from the National Credit Union Administration (“NCUA”), which has not been obtained. The Bank cannot provide any assurance as to whether the Bank or Global will obtain the required final regulatory approval from the NCUA, when such approval will be received, or whether there will be any conditions in such approval that are unacceptably burdensome to the Bank or Global. </span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">As used throughout this report, the terms “we,” “our,” “us,” or the “Company” refer to First Financial Northwest, Inc. and its consolidated subsidiary First Financial Northwest Bank, unless the context otherwise requires.</span></div>
CY2024Q3	ffnw	Number Of Locations In Which Entity Operates NumberOfLocationsInWhichEntityOperates	15	loan
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	168574000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	147000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	12112000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	156609000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	223725000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	47000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	15857000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	207915000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	2500000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	2500000	usd
CY2020Q1	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	2400000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	5571000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	31000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	133221000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	12081000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	138792000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	12112000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	20715000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	177000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	181364000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	15680000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	202079000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	15857000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	108	securities
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	123	securities
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	103	securities
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	113	securities
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	2500000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2463000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	8538000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	8148000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	34332000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	31010000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	49001000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	45079000	usd
CY2024Q3	ffnw	Debt Securities Excluding Accrued Interest Amortized Cost Total DebtSecuritiesExcludingAccruedInterestAmortizedCostTotal	94371000	usd
CY2024Q3	ffnw	Debt Securities Excluding Accrued Interest Fair Value Excluding Mortgage Backed Securities DebtSecuritiesExcludingAccruedInterestFairValueExcludingMortgageBackedSecurities	86700000	usd
CY2024Q3	ffnw	Mortgage Backed Investments Amortized Cost MortgageBackedInvestmentsAmortizedCost	74203000	usd
CY2024Q3	us-gaap	Mortgage Backed Securities Available For Sale Fair Value Disclosure MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure	69909000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	168574000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	156609000	usd
CY2024Q3	ffnw	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged As Percent Of Public Deposits Held FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledgedAsPercentOfPublicDepositsHeld	0.50
CY2024Q3	ffnw	Investments Pledged As Collateral For Public Deposits InvestmentsPledgedAsCollateralForPublicDeposits	29500000	usd
CY2023Q4	ffnw	Investments Pledged As Collateral For Public Deposits InvestmentsPledgedAsCollateralForPublicDeposits	26500000	usd
CY2024Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	40000000.0	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023Q3	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1142411000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1191231000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	16265000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	15306000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1126146000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1175925000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	204386000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	128720000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	169895000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	159862000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	167580000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	311968000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1142411000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	12000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	7000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	22000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	41000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	149777000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	242560000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	225824000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	190730000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	86917000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	295423000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1191231000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	0	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	0	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	22000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	22000	usd
CY2024Q3	ffnw	Financing Receivable Excluding Accrued Interest Expense Provision Reversal FinancingReceivableExcludingAccruedInterestExpenseProvisionReversal	1575000	usd
	ffnw	Financing Receivable Excluding Accrued Interest Expense Provision Reversal FinancingReceivableExcludingAccruedInterestExpenseProvisionReversal	1200000	usd
CY2024Q3	ffnw	Financing Receivable90 Days Or More Past Due Still Accruing Number Of Loans FinancingReceivable90DaysOrMorePastDueStillAccruingNumberOfLoans	0	loan
CY2023Q4	ffnw	Financing Receivable90 Days Or More Past Due Still Accruing Number Of Loans FinancingReceivable90DaysOrMorePastDueStillAccruingNumberOfLoans	2	loan
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	317000	usd
CY2024Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	28190000	usd
CY2024Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	28246000	usd
CY2024Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	0	usd
CY2024Q3	ffnw	Financing Receivable With Allowance Nonaccrual FinancingReceivableWithAllowanceNonaccrual	853000	usd
CY2024Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	853000	usd
CY2024Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	156609000	usd
CY2024Q3	us-gaap	Derivative Assets DerivativeAssets	5222000	usd
CY2024Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	161831000	usd
CY2023Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	207915000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	7565000	usd
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	215480000	usd
CY2024Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	32928000	usd
CY2024Q3	ffnw	Impaired Loans Receivable And Other Real Estate Owned Fair Value Measurement ImpairedLoansReceivableAndOtherRealEstateOwnedFairValueMeasurement	32928000	usd
CY2023Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	45912000	usd
CY2023Q4	ffnw	Impaired Loans Receivable And Other Real Estate Owned Fair Value Measurement ImpairedLoansReceivableAndOtherRealEstateOwnedFairValueMeasurement	45912000	usd
CY2024Q3	us-gaap	Property Subject To Or Available For Operating Lease Number Of Units PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits	13	lease
CY2024Q3	ffnw	Lessee Operating Lease Liability Monthly Payment Due LesseeOperatingLeaseLiabilityMonthlyPaymentDue	77000	usd
CY2024Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	301000	usd
CY2023Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	279000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	874000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	862000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2473000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2818000	usd
CY2024Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2673000	usd
CY2023Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3011000	usd
CY2024Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y6M
CY2023Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y10M24D
CY2024Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0256
CY2023Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0229
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	864000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	572000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	416000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	391000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	385000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	196000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2824000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	151000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	2673000	usd
	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	usd
	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	usd
CY2024Q3	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	usd
CY2023Q3	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-2179000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	569000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1851000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	168000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	47000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	270000	usd
CY2024Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10000	usd
CY2023Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	57000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	195000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	497000	usd
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	41000	usd
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	104000	usd
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	155000	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	11.70
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1477650	usd
CY2024Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	3.97
CY2024Q3	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	75000	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	10.79
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	827500	usd
CY2024Q3	ffnw	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue	4.12
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	80000	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	12.55
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y11M26D
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	797600	usd
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	3.83
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	50000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	162500	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	11.65
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	296725	usd
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	3.98
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	82500	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	10.79
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	904675	usd
	ffnw	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue	4.12
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	80000	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	12.55
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y11M26D
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	797600	usd
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	3.83
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	50000	shares
CY2024Q3	ffnw	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverage	12.84
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y8M4D
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	483800	usd
CY2024Q3	ffnw	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue	4.34
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y9M18D
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	165000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9817000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-172000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-172000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9989000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7214000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-2775000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2775000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9989000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	-608000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	1501000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-128000	usd
	us-gaap	Net Income Loss NetIncomeLoss	5111000	usd
CY2024Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	usd
CY2023Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	4000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	15000	usd
CY2024Q3	ffnw	Undistributed Earnings Allocatedto Common Shareholders UndistributedEarningsAllocatedtoCommonShareholders	-608000	usd
CY2023Q3	ffnw	Undistributed Earnings Allocatedto Common Shareholders UndistributedEarningsAllocatedtoCommonShareholders	1497000	usd
	ffnw	Undistributed Earnings Allocatedto Common Shareholders UndistributedEarningsAllocatedtoCommonShareholders	-128000	usd
	ffnw	Undistributed Earnings Allocatedto Common Shareholders UndistributedEarningsAllocatedtoCommonShareholders	5096000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9190146	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9127568	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9171579	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9117554	shares
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	13991	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	23069	shares
CY2024Q3	ffnw	Dilutive Stock Awards DilutiveStockAwards	0	shares
CY2023Q3	ffnw	Dilutive Stock Awards DilutiveStockAwards	8500	shares
	ffnw	Dilutive Stock Awards DilutiveStockAwards	0	shares
	ffnw	Dilutive Stock Awards DilutiveStockAwards	6086	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9190146	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9150059	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9171579	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9146709	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.56
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	677000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	677000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2137000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2140000	usd
CY2024Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	0	usd
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	0	usd
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
0000939057-24-000299-index-headers.html	Edgar Link	pending
0000939057-24-000299-index.html	Edgar Link	pending
0000939057-24-000299.txt	Edgar Link	pending
0000939057-24-000299-xbrl.zip	Edgar Link	pending
ffnw-20240930.htm	Edgar Link	pending
ffnw-20240930.xsd	Edgar Link	pending
ffnw-2024930x10qexx311.htm	Edgar Link	pending
ffnw-2024930x10qexx312.htm	Edgar Link	pending
ffnw-2024930x10qexx32.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
ffnw-20240930_cal.xml	Edgar Link	unprocessable
ffnw-20240930_def.xml	Edgar Link	unprocessable
ffnw-20240930_lab.xml	Edgar Link	unprocessable
ffnw-20240930_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
ffnw-20240930_htm.xml	Edgar Link	completed
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$FFNW
First Financial Northwest, Inc. Stock $ffnw

2024 Q4 Form 10-Q Financial Statement

#000093905724000299 Filed on November 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FFNW First Financial Northwest, Inc. Stock $ffnw

2024 Q4 Form 10-Q Financial Statement

#000093905724000299 Filed on November 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FFNW
First Financial Northwest, Inc. Stock $ffnw