$WAFD
WAFD INC Stock $wafd

$wafd Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000093652822000143 Filed on November 18, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2022
Revenue	$6.353M		$25.94M
YoY Change	-1.4%		-95.62%
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	$1.613M	$16.65M	$64.05M
YoY Change	-79.7%	119.11%	88.94%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$50.62M		$71.77M
YoY Change	210.48%		-17.03%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$101.9M	$92.97M	$300.0M
YoY Change	61.12%	39.18%	28.7%
Income Tax	$22.42M	$19.58M	$63.71M
% Of Pretax Income	22.0%	21.06%	21.23%
Net Earnings	$75.85M	$73.40M	$236.3M
YoY Change	50.86%	40.07%	28.71%
Net Earnings / Revenue	1193.97%		910.99%
Basic Earnings Per Share	$1.16		$3.40
Diluted Earnings Per Share	$1.159M	$1.122M	$3.613M
COMMON SHARES
Basic Shares Outstanding	65.31M shares	65.32M shares	65.29M shares
Diluted Shares Outstanding	65.43M shares		65.40M shares

Balance Sheet

Concept	2022 Q4	2022 Q3	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$645.9M	$684.0M
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	$240.4M	$243.1M	$243.1M
YoY Change	-5.18%	-4.74%	-14.11%
Goodwill	$303.5M	$303.5M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$21.65B	$20.77B	$20.77B
YoY Change	8.41%	5.71%	5.71%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$259.8M	$289.9M	$289.9M
YoY Change	42.73%	34.86%	34.86%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$276.8M	$293.3M	$293.3M
YoY Change	49.6%	36.4%	36.4%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$17.63M	$50.05M	$50.05M
YoY Change	-2.08%	6.49%	6.49%
Total Long-Term Liabilities	$17.63M	$50.05M	$50.05M
YoY Change	-2.08%	6.49%	6.49%
TOTAL LIABILITIES
Total Short-Term Liabilities	$276.8M	$293.3M	$293.3M
Total Long-Term Liabilities	$17.63M	$50.05M	$50.05M
Total Liabilities	$19.33B	$18.50B	$18.50B
YoY Change	8.45%	5.55%	5.55%
SHAREHOLDERS EQUITY
Retained Earnings	$1.749B	$1.689B
YoY Change	12.09%	10.48%
Common Stock	$1.826B	$1.823B
YoY Change	0.48%	0.48%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$1.592B	$1.590B
YoY Change	0.13%	0.21%
Treasury Stock Shares		70.94M shares
Shareholders Equity	$2.324B	$2.274B	$2.274B
YoY Change
Total Liabilities & Shareholders Equity	$21.65B	$20.77B	$20.77B
YoY Change	8.41%	5.71%	5.71%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2022
OPERATING ACTIVITIES
Net Income	$75.85M	$73.40M	$236.3M
YoY Change	50.86%	40.07%	28.71%
Depreciation, Depletion And Amortization	$1.613M	$16.65M	$64.05M
YoY Change	-79.7%	119.11%	88.94%
Cash From Operating Activities	$66.10M	$97.06M	$268.5M
YoY Change	146.27%	49.78%	-14.63%
INVESTING ACTIVITIES
Capital Expenditures	$2.217M	-$3.078M	$11.79M
YoY Change	-179.18%	-34.51%	-60.0%
Acquisitions	$0.00		$0.00
YoY Change			-100.0%
Other Investing Activities	-$929.8M	-$507.2M	-$2.481B
YoY Change	70.92%	227.65%	350.91%
Cash From Investing Activities	-$932.0M	-$510.3M	-$2.493B
YoY Change	70.46%	220.12%	330.04%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$827.8M	489.8M	$817.9M
YoY Change	167.24%	-836.48%	25.22%
NET CHANGE
Cash From Operating Activities	$66.10M	97.06M	$268.5M
Cash From Investing Activities	-$932.0M	-510.3M	-$2.493B
Cash From Financing Activities	$827.8M	489.8M	$817.9M
Net Change In Cash	-$38.10M	76.54M	-$1.407B
YoY Change	-81.87%	-147.51%	-462.75%
FREE CASH FLOW
Cash From Operating Activities	$66.10M	$97.06M	$268.5M
Capital Expenditures	$2.217M	-$3.078M	$11.79M
Free Cash Flow	$63.88M	$100.1M	$256.7M
YoY Change	115.52%	44.08%	-9.93%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-34654
CY2022	dei	Entity Registrant Name EntityRegistrantName	WASHINGTON FEDERAL INC
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	WA
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	91-1661606
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	425 Pike Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Seattle
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
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CY2022	dei	City Area Code CityAreaCode	206
CY2022	dei	Local Phone Number LocalPhoneNumber	624-7930
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CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2022	dei	Auditor Firm AuditorFirmId	34
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
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CY2021	wfsl	Gain Loss On Terminated Derivative Instruments Net Pretax GainLossOnTerminatedDerivativeInstrumentsNetPretax	14110000	usd
CY2020	wfsl	Gain Loss On Terminated Derivative Instruments Net Pretax GainLossOnTerminatedDerivativeInstrumentsNetPretax	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-13788000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-13809000	usd
CY2022	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	7168000	usd
CY2021	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	6899000	usd
CY2020	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	7293000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	25942000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	24686000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	23691000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	33163000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	28640000	usd
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	54757000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	66372000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	60561000	usd
CY2020	us-gaap	Noninterest Income NoninterestIncome	86960000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	193917000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	176106000	usd
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	147596000	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	42499000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	39610000	usd
CY2020	us-gaap	Occupancy Net OccupancyNet	39570000	usd
CY2022	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	9531000	usd
CY2021	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	14368000	usd
CY2020	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	10939000	usd
CY2022	wfsl	Product Delivery Expense ProductDeliveryExpense	19536000	usd
CY2021	wfsl	Product Delivery Expense ProductDeliveryExpense	18505000	usd
CY2020	wfsl	Product Delivery Expense ProductDeliveryExpense	17010000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	47202000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	42737000	usd
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	52902000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	45890000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	41133000	usd
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	47541000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	358575000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	332459000	usd
CY2020	us-gaap	Noninterest Expense NoninterestExpense	315558000	usd
CY2022	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	651000	usd
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	427000	usd
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	26000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	300037000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	173438000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	233138000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	219186000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63707000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	49523000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45748000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	236330000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	183615000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	173438000	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14625000	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	10034000	usd
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	221705000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	221705000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	173581000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	173581000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	173438000	usd
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72529188	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.40
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.39
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.39
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.26
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.95
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.91
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.87
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65287650	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	76721969	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65404110	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72565920	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	76731464	shares
CY2022	us-gaap	Net Income Loss NetIncomeLoss	236330000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	183615000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	173438000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-36908000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2020000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	6220000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-123077000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6762000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	20528000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	23000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	3000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-3456000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-76000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-11000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	11572000	usd
CY2022	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-123001000	usd
CY2021	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	6773000	usd
CY2020	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	8956000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	31805000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	17003000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-2204000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	105697000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	56924000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-7295000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-3245000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	10865000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	105697000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	46059000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-7295000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-17304000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	52832000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1661000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	219026000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	236447000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	175099000	usd
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2032995000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	173438000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1661000	usd
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.87
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	66496000	usd
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	144000	usd
CY2020	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	6469000	usd
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	112133000	usd
CY2021	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	6381000	usd
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	2014133000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	183615000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	52832000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	293325000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.91
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	65876000	usd
CY2021	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	33.45
CY2021	us-gaap	Dividends Preferred Stock DividendsPreferredStock	10034000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	339000	usd
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	348651000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	2126064000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	236330000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-17304000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.95
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	61576000	usd
CY2022	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	48.75
CY2022	us-gaap	Dividends Preferred Stock DividendsPreferredStock	14625000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1823000	usd
CY2022	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	6808000	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3260000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2274260000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	236330000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	183615000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	173438000	usd
CY2022	wfsl	Amortization Accretion Of Fees Discounts Premiums And Intangible Assets Net AmortizationAccretionOfFeesDiscountsPremiumsAndIntangibleAssetsNet	64050000	usd
CY2021	wfsl	Amortization Accretion Of Fees Discounts Premiums And Intangible Assets Net AmortizationAccretionOfFeesDiscountsPremiumsAndIntangibleAssetsNet	33914000	usd
CY2020	wfsl	Amortization Accretion Of Fees Discounts Premiums And Intangible Assets Net AmortizationAccretionOfFeesDiscountsPremiumsAndIntangibleAssetsNet	39912000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	6808000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	6381000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	6469000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3000000	usd
CY2020	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	6431000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	500000	usd
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	21750000	usd
CY2022	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	99000	usd
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	14000	usd
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	15028000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-13788000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-13809000	usd
CY2022	wfsl	Gain On Termination Of Long Term Borrowing Hedge GainOnTerminationOfLongTermBorrowingHedge	0	usd
CY2021	wfsl	Gain On Termination Of Long Term Borrowing Hedge GainOnTerminationOfLongTermBorrowingHedge	14110000	usd
CY2020	wfsl	Gain On Termination Of Long Term Borrowing Hedge GainOnTerminationOfLongTermBorrowingHedge	0	usd
CY2022	wfsl	Gain Loss On Settlements Of Bank Owned Life Insurance GainLossOnSettlementsOfBankOwnedLifeInsurance	1385000	usd
CY2021	wfsl	Gain Loss On Settlements Of Bank Owned Life Insurance GainLossOnSettlementsOfBankOwnedLifeInsurance	0	usd
CY2020	wfsl	Gain Loss On Settlements Of Bank Owned Life Insurance GainLossOnSettlementsOfBankOwnedLifeInsurance	0	usd
CY2022	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	0	usd
CY2021	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	944000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-655000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	593000	usd
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	31990000	usd
CY2022	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	13236000	usd
CY2021	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-3163000	usd
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	4942000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-3877000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-1831000	usd
CY2020	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	5708000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5549000	usd
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5514000	usd
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5673000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	100146000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-155599000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	146893000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	8386000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-15781000	usd
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	890000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	65774000	usd
CY2021	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-49269000	usd
CY2020	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	114135000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	268465000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	314454000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	166600000	usd
CY2022	wfsl	Loans Originated Net Of Principal Collections LoansOriginatedNetOfPrincipalCollections	-1748955000	usd
CY2021	wfsl	Loans Originated Net Of Principal Collections LoansOriginatedNetOfPrincipalCollections	-556274000	usd
CY2020	wfsl	Loans Originated Net Of Principal Collections LoansOriginatedNetOfPrincipalCollections	-902481000	usd
CY2022	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	576697000	usd
CY2021	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	488147000	usd
CY2020	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	15456000	usd
CY2022	wfsl	Payments To Acquire Federal Home Loan Bank And Federal Reserve Bank Stock PaymentsToAcquireFederalHomeLoanBankAndFederalReserveBankStock	293800000	usd
CY2021	wfsl	Payments To Acquire Federal Home Loan Bank And Federal Reserve Bank Stock PaymentsToAcquireFederalHomeLoanBankAndFederalReserveBankStock	296073000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	493402000	usd
CY2020	wfsl	Payments To Acquire Federal Home Loan Bank And Federal Reserve Bank Stock PaymentsToAcquireFederalHomeLoanBankAndFederalReserveBankStock	435200000	usd
CY2022	wfsl	Proceeds From Sale Of Federal Home Loan Bank And Federal Reserve Bank Stock ProceedsFromSaleOfFederalHomeLoanBankAndFederalReserveBankStock	301590000	usd
CY2021	wfsl	Proceeds From Sale Of Federal Home Loan Bank And Federal Reserve Bank Stock ProceedsFromSaleOfFederalHomeLoanBankAndFederalReserveBankStock	335200000	usd
CY2020	wfsl	Proceeds From Sale Of Federal Home Loan Bank And Federal Reserve Bank Stock ProceedsFromSaleOfFederalHomeLoanBankAndFederalReserveBankStock	417200000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	587942000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	530227000	usd
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1064815000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	510156000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	646532000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5020000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1499000	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	204351000	usd
CY2022	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	195357000	usd
CY2021	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2020	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	95326000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	332001000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	356532000	usd
CY2022	wfsl	Covered Real Estate Owned Purchased CoveredRealEstateOwnedPurchased	6978000	usd
CY2021	wfsl	Covered Real Estate Owned Purchased CoveredRealEstateOwnedPurchased	3340000	usd
CY2020	wfsl	Covered Real Estate Owned Purchased CoveredRealEstateOwnedPurchased	5022000	usd
CY2022	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	2266000	usd
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	usd
CY2020	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1500000	usd
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2810000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	41000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3376000	usd
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	55213000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11790000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29472000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	31937000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2493164000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-579745000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-920979000	usd
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	487458000	usd
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1762488000	usd
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1788860000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	7345000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	7400000000	usd
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	10880000000	usd
CY2022	us-gaap	Repayments Of Debt RepaymentsOfDebt	6940000000	usd
CY2021	us-gaap	Repayments Of Debt RepaymentsOfDebt	8393788000	usd
CY2020	us-gaap	Repayments Of Debt RepaymentsOfDebt	10443809000	usd
CY2022	wfsl	Proceeds From Termination Of Hedge Financing Activities ProceedsFromTerminationOfHedgeFinancingActivities	0	usd
CY2021	wfsl	Proceeds From Termination Of Hedge Financing Activities ProceedsFromTerminationOfHedgeFinancingActivities	14110000	usd
CY2020	wfsl	Proceeds From Termination Of Hedge Financing Activities ProceedsFromTerminationOfHedgeFinancingActivities	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1823000	usd
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	339000	usd
CY2020	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	144000	usd
CY2022	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	293325000	usd
CY2020	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	61576000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	65876000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	66496000	usd
CY2022	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	14625000	usd
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	6378000	usd
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	0	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3260000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	348651000	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	112133000	usd
CY2022	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	3035000	usd
CY2021	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-2446000	usd
CY2020	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-8368000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	817855000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	653123000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2038198000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1406844000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	387832000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1283819000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2090809000	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1702977000	usd
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	419158000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	683965000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2090809000	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1702977000	usd
CY2022	wfsl	Non Covered Real Estate Acquired Through Foreclosure NonCoveredRealEstateAcquiredThroughForeclosure	73000	usd
CY2021	wfsl	Non Covered Real Estate Acquired Through Foreclosure NonCoveredRealEstateAcquiredThroughForeclosure	221000	usd
CY2020	wfsl	Non Covered Real Estate Acquired Through Foreclosure NonCoveredRealEstateAcquiredThroughForeclosure	1765000	usd
CY2022	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	577000	usd
CY2021	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	usd
CY2020	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	359000	usd
CY2022Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	3656000	usd
CY2021Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	3656000	usd
CY2020Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent		usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	65175000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	71845000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	146675000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	35098000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	47854000	usd
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	35640000	usd
CY2022Q3	wfsl	Number Of Offices NumberOfOffices	201	branch
CY2022	us-gaap	Fiscal Period FiscalPeriod	The Company's fiscal year end is September 30. All references to 2022, 2021 and 2020 represent balances as of September 30, 2022, September 30, 2021, and September 30, 2020, or activity for the fiscal years then ended.
CY2021Q1	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.04875
CY2021	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	293325000	usd
CY2022Q3	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	284400000	usd
CY2021Q3	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	1500000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	41476000	usd
CY2022Q3	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	7511000	usd
CY2022	wfsl	Financing Receivable Days Past Grace Period To Initiate Contact To Cure Deficiency FinancingReceivableDaysPastGracePeriodToInitiateContactToCureDeficiency	P30D
CY2022	wfsl	Financing Receivable Minimum Days Past Due To Begin Foreclosure Proceedings FinancingReceivableMinimumDaysPastDueToBeginForeclosureProceedings	P90D
CY2022	wfsl	Loan Modification Basis Point Reduction Minimum LoanModificationBasisPointReductionMinimum	0.0100
CY2022	wfsl	Loan Modification Basis Point Reduction Maximum LoanModificationBasisPointReductionMaximum	0.0200
CY2022	wfsl	Financing Receivable Minimum Days Past Due To Stop Accrual Of Interest FinancingReceivableMinimumDaysPastDueToStopAccrualOfInterest	P90D
CY2022	wfsl	Financing Receivable Loans Returned To Full Accrual Status FinancingReceivableLoansReturnedToFullAccrualStatus	P90D
CY2022	wfsl	Loans Receivable Numberof Consecutive Payments Requiredto Return Loanto Accrual Status LoansReceivableNumberofConsecutivePaymentsRequiredtoReturnLoantoAccrualStatus	6	payment
CY2022	wfsl	Loans Receivable Numberof Consecutive Payments Requiredto Return Loanto Accrual Status LoansReceivableNumberofConsecutivePaymentsRequiredtoReturnLoantoAccrualStatus	6	payment
CY2021Q3	us-gaap	Goodwill Goodwill	303457000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6562000	usd
CY2020Q3	us-gaap	Goodwill Goodwill	302707000	usd
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7199000	usd
CY2020Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	309906000	usd
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	750000	usd
CY2021	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	750000	usd
CY2021	wfsl	Goodwill And Intangible Assets Acquired During Period GoodwillAndIntangibleAssetsAcquiredDuringPeriod	1500000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1387000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1387000	usd
CY2021Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	310019000	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	usd
CY2022	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	0	usd
CY2022	wfsl	Goodwill And Intangible Assets Acquired During Period GoodwillAndIntangibleAssetsAcquiredDuringPeriod	0	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1010000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1010000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	303457000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5552000	usd
CY2022Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	309009000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	955000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	921000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	872000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	829000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	654000	usd
CY2022Q3	wfsl	Number Of Reportable Business Segments NumberOfReportableBusinessSegments	1	segment
CY2021Q4	wfsl	Consumer Financial Protection Bureau Consent Order Civil Money Penalty ConsumerFinancialProtectionBureauConsentOrderCivilMoneyPenalty	2500000	usd
CY2013Q4	wfsl	Consumer Financial Protection Bureau Consent Order Civil Money Penalty ConsumerFinancialProtectionBureauConsentOrderCivilMoneyPenalty	34000	usd
CY2020Q4	wfsl	Consumer Financial Protection Bureau Consent Order Civil Money Penalty ConsumerFinancialProtectionBureauConsentOrderCivilMoneyPenalty	200000	usd
CY2022Q3	wfsl	Gross Unrealized Gains On Investments GrossUnrealizedGainsOnInvestments	1330000	usd
CY2022Q3	wfsl	Gross Unrealized Losses On Investments GrossUnrealizedLossesOnInvestments	169469000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2162737000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1308000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	113008000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2051037000	usd
CY2022Q3	wfsl	Available For Sale Securities Yield AvailableForSaleSecuritiesYield	0.0336
CY2022Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	463299000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	22000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	56461000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	406860000	usd
CY2022Q3	wfsl	Held To Maturity Securities Yield HeldToMaturitySecuritiesYield	0.0288
CY2022Q3	us-gaap	Investments Investments	2626036000	usd
CY2022Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	2457897000	usd
CY2022Q3	wfsl	Yield Yield	0.0328
CY2021Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2090070000	usd
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	50829000	usd
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2640000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2138259000	usd
CY2021Q3	wfsl	Available For Sale Securities Yield AvailableForSaleSecuritiesYield	0.0169
CY2021Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	366025000	usd
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	13522000	usd
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	usd
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	379547000	usd
CY2021Q3	wfsl	Heldtomaturity Securities Yield Without A Single Maturity Date HeldtomaturitySecuritiesYieldWithoutASingleMaturityDate	0.0317
CY2021Q3	us-gaap	Investments Investments	2456095000	usd
CY2021Q3	wfsl	Gross Unrealized Gains On Investments GrossUnrealizedGainsOnInvestments	64351000	usd
CY2021Q3	wfsl	Gross Unrealized Losses On Investments GrossUnrealizedLossesOnInvestments	2640000	usd
CY2021Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	2517806000	usd
CY2021Q3	wfsl	Yield Yield	0.0189
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	587942000	usd
CY2022	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	195357000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5020000	usd
CY2022	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	0	usd
CY2022	wfsl	Term Of Contractual Due Dates Of Substantially All Mortgage Backed Securities TermOfContractualDueDatesOfSubstantiallyAllMortgageBackedSecurities	P25Y
CY2022Q3	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	5694000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	3459000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	1108000	usd
CY2021Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	944000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1777599000	usd
CY2022Q3	wfsl	Debt Securities Unrealized Loss Position Number Of Positions DebtSecuritiesUnrealizedLossPositionNumberOfPositions	223	security
CY2021Q3	wfsl	Debt Securities Unrealized Loss Position Number Of Positions DebtSecuritiesUnrealizedLossPositionNumberOfPositions	31	security
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	99294000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	13714000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	103603000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	113008000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1881202000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	56461000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	405166000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	56461000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	405166000	usd
CY2022Q3	wfsl	Debt Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	155755000	usd
CY2022Q3	wfsl	Debt Securities Continuous Unrealized Loss Position Less Than12 Months Fair Value DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue	2182765000	usd
CY2022Q3	wfsl	Debt Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	13714000	usd
CY2022Q3	wfsl	Debt Securities Continuous Unrealized Loss Position12 Months Or Longer Fair Value DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue	103603000	usd
CY2022Q3	wfsl	Debt Securities Unrealized Loss Position Accumulated Loss DebtSecuritiesUnrealizedLossPositionAccumulatedLoss	169469000	usd
CY2022Q3	wfsl	Debt Securities Unrealized Loss Position Fair Value DebtSecuritiesUnrealizedLossPositionFairValue	2286368000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1584000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	52397000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1056000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	102324000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2640000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	154721000	usd
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	usd
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	0	usd
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	usd
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0	usd
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	0	usd
CY2021Q3	wfsl	Debt Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1584000	usd
CY2021Q3	wfsl	Debt Securities Continuous Unrealized Loss Position Less Than12 Months Fair Value DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue	52397000	usd
CY2021Q3	wfsl	Debt Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1056000	usd
CY2021Q3	wfsl	Debt Securities Continuous Unrealized Loss Position12 Months Or Longer Fair Value DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue	102324000	usd
CY2021Q3	wfsl	Debt Securities Unrealized Loss Position Accumulated Loss DebtSecuritiesUnrealizedLossPositionAccumulatedLoss	2640000	usd
CY2021Q3	wfsl	Debt Securities Unrealized Loss Position Fair Value DebtSecuritiesUnrealizedLossPositionFairValue	154721000	usd
CY2022Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	19384959000	usd
CY2022Q3	wfsl	Financing Receivable Ratio Of Loan Type To All Loans FinancingReceivableRatioOfLoanTypeToAllLoans	1
CY2021Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	16299332000	usd
CY2021Q3	wfsl	Financing Receivable Ratio Of Loan Type To All Loans FinancingReceivableRatioOfLoanTypeToAllLoans	1
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	172808000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	171300000	usd
CY2022Q3	us-gaap	Financing Receivable Loan In Process FinancingReceivableLoanInProcess	3006023000	usd
CY2021Q3	us-gaap	Financing Receivable Loan In Process FinancingReceivableLoanInProcess	2232836000	usd
CY2022Q3	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-92564000	usd
CY2021Q3	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-61626000	usd
CY2022Q3	wfsl	Financing Receivable Charges To Allowance Loans In Process And Deferred Fees FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees	3271395000	usd
CY2021Q3	wfsl	Financing Receivable Charges To Allowance Loans In Process And Deferred Fees FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees	2465762000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	16113564000	usd
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	13833570000	usd
CY2022Q3	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	57070000	usd
CY2021Q3	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	46234000	usd
CY2022Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	8224951000	usd
CY2021Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	5930015000	usd
CY2022Q3	us-gaap	Loans Receivable With Fixed Rates Of Interest1 LoansReceivableWithFixedRatesOfInterest1	10357336000	usd
CY2022Q3	wfsl	Financing Receivable With Fixed Rates Of Interest Percent Of Gross FinancingReceivableWithFixedRatesOfInterestPercentOfGross	0.636
CY2022Q3	wfsl	Single Family Residential Loans As Percentage Of Restructured Loans SingleFamilyResidentialLoansAsPercentageOfRestructuredLoans	0.825
CY2022Q3	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	5929036000	usd
CY2022Q3	wfsl	Financing Receivable With Variable Rates Of Interest Percent Of Gross FinancingReceivableWithVariableRatesOfInterestPercentOfGross	0.364
CY2022Q3	wfsl	Financing Receivable Nonaccrual Percent Of Total Loans FinancingReceivableNonaccrualPercentOfTotalLoans	0.0021
CY2021Q3	wfsl	Financing Receivable Nonaccrual Percent Of Total Loans FinancingReceivableNonaccrualPercentOfTotalLoans	0.0023
CY2022Q3	wfsl	Financing Receivable Net Of Charge Offs And Loans In Process FinancingReceivableNetOfChargeOffsAndLoansInProcess	16286372000	usd
CY2022Q3	us-gaap	Financing Receivable Percent Past Due1 FinancingReceivablePercentPastDue1	0.0017
CY2021Q3	wfsl	Financing Receivable Net Of Charge Offs And Loans In Process FinancingReceivableNetOfChargeOffsAndLoansInProcess	14004870000	usd
CY2021Q3	us-gaap	Financing Receivable Percent Past Due1 FinancingReceivablePercentPastDue1	0.0019
CY2022Q3	wfsl	Number Of Businesses Assisted Cares Act NumberOfBusinessesAssistedCARESAct	9000	business
CY2022Q3	wfsl	Finance Receivable Cares Act FinanceReceivableCARESAct	10141000	usd
CY2022	wfsl	Loan Modification Basis Point Reduction Minimum LoanModificationBasisPointReductionMinimum	0.0100
CY2022	wfsl	Loan Modification Basis Point Reduction Maximum LoanModificationBasisPointReductionMaximum	0.0200
CY2022Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	56817000	usd
CY2021Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	65128000	usd
CY2022Q3	wfsl	Financing Receivable Impaired Troubled Debt Restructuring Percentof Restructured Loans Performing FinancingReceivableImpairedTroubledDebtRestructuringPercentofRestructuredLoansPerforming	0.983
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2139000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	5647000	usd
CY2022	wfsl	Financing Receivable Allowance For Credit Losses Provision And Transfers FinancingReceivableAllowanceForCreditLossesProvisionAndTransfers	-2000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	172808000	usd
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	166955000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	425000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	6770000	usd
CY2021	wfsl	Financing Receivable Allowance For Credit Losses Provision And Transfers FinancingReceivableAllowanceForCreditLossesProvisionAndTransfers	-2000000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	171300000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3000000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	500000	usd
CY2022	wfsl	Financing Receivable Allowance For Credit Loss Recovery Including Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossRecoveryIncludingOffBalanceSheetCreditLossLiability	3508000	usd
CY2021	wfsl	Financing Receivable Allowance For Credit Loss Recovery Including Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossRecoveryIncludingOffBalanceSheetCreditLossLiability	6345000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	172808000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	16286372000	usd
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	14004870000	usd
CY2022	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	601592000	usd
CY2022	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	28729000	usd
CY2021	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	537660000	usd
CY2021	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	44188000	usd
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	0	usd
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	0	usd
CY2022	wfsl	Revenue From Contract With Customer Percentage RevenueFromContractWithCustomerPercentage	0.056
CY2021	wfsl	Revenue From Contract With Customer Percentage RevenueFromContractWithCustomerPercentage	0.058
CY2022Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	145974000	usd
CY2022Q3	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	63872000	usd
CY2021Q3	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	50636000	usd
CY2021Q3	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	3122397000	usd
CY2021Q3	wfsl	Percentage Of Non Interest Bearing Domestic Deposits To Deposits Checking PercentageOfNonInterestBearingDomesticDepositsToDepositsChecking	0.201
CY2022Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3497795000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	389036000	usd
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	387932000	usd
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	132780000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	243062000	usd
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	255152000	usd
CY2022Q3	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	3266734000	usd
CY2022Q3	wfsl	Percentage Of Non Interest Bearing Domestic Deposits To Deposits Checking PercentageOfNonInterestBearingDomesticDepositsToDepositsChecking	0.204
CY2022Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Checking PercentageOfInterestBearingDomesticDepositsToDepositsChecking	0.218
CY2022Q3	us-gaap	Weighted Average Rate Domestic Deposit Checking WeightedAverageRateDomesticDepositChecking	0.0090
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3566322000	usd
CY2021Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Checking PercentageOfInterestBearingDomesticDepositsToDepositsChecking	0.229
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Checking WeightedAverageRateDomesticDepositChecking	0.0020
CY2022Q3	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	1059093000	usd
CY2022Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.066
CY2022Q3	us-gaap	Weighted Average Rate Domestic Deposit Savings WeightedAverageRateDomesticDepositSavings	0.0013
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	1039336000	usd
CY2021Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.067
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Savings WeightedAverageRateDomesticDepositSavings	0.0011
CY2022Q3	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	4867905000	usd
CY2022Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.304
CY2022Q3	us-gaap	Weighted Average Rate Domestic Deposit Money Market WeightedAverageRateDomesticDepositMoneyMarket	0.0049
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	4379970000	usd
CY2021Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.282
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Money Market WeightedAverageRateDomesticDepositMoneyMarket	0.0019
CY2022Q3	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	3338043000	usd
CY2022Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Time Deposits PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits	0.208
CY2022Q3	us-gaap	Weighted Average Rate Domestic Deposit Time Deposits WeightedAverageRateDomesticDepositTimeDeposits	0.0074
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	3434087000	usd
CY2021Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Time Deposits PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits	0.221
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Time Deposits WeightedAverageRateDomesticDepositTimeDeposits	0.0054
CY2022Q3	us-gaap	Deposits Deposits	16029570000	usd
CY2022Q3	wfsl	Percentage Of Domestic Deposits To Deposits PercentageOfDomesticDepositsToDeposits	1
CY2022Q3	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0051
CY2021Q3	us-gaap	Deposits Deposits	15542112000	usd
CY2021Q3	wfsl	Percentage Of Domestic Deposits To Deposits PercentageOfDomesticDepositsToDeposits	1
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0023
CY2022Q3	wfsl	Time Deposits Lessthan One Percent TimeDepositsLessthanOnePercent	2705212000	usd
CY2021Q3	wfsl	Time Deposits Lessthan One Percent TimeDepositsLessthanOnePercent	3153788000	usd
CY2022Q3	wfsl	Time Deposits From One Percentto Lessthan Two Percent TimeDepositsFromOnePercenttoLessthanTwoPercent	304702000	usd
CY2021Q3	wfsl	Time Deposits From One Percentto Lessthan Two Percent TimeDepositsFromOnePercenttoLessthanTwoPercent	229594000	usd
CY2022Q3	wfsl	Time Deposits From Two Percentto Lessthan Three Percent TimeDepositsFromTwoPercenttoLessthanThreePercent	327852000	usd
CY2021Q3	wfsl	Customer Accounts Greater Than250000 CustomerAccountsGreaterThan250000	7198111000	usd
CY2021Q3	wfsl	Time Deposits From Two Percentto Lessthan Three Percent TimeDepositsFromTwoPercenttoLessthanThreePercent	50608000	usd
CY2022Q3	wfsl	Time Deposits From Three Percentto Lessthan Four Percent TimeDepositsFromThreePercenttoLessthanFourPercent	277000	usd
CY2021Q3	wfsl	Time Deposits From Three Percentto Lessthan Four Percent TimeDepositsFromThreePercenttoLessthanFourPercent	97000	usd
CY2022Q3	us-gaap	Time Deposits TimeDeposits	3338043000	usd
CY2021Q3	us-gaap	Time Deposits TimeDeposits	3434087000	usd
CY2022Q3	wfsl	Time Deposit Maturities Three Months Or Less TimeDepositMaturitiesThreeMonthsOrLess	1007735000	usd
CY2021Q3	wfsl	Time Deposit Maturities Three Months Or Less TimeDepositMaturitiesThreeMonthsOrLess	1085001000	usd
CY2022Q3	wfsl	Time Deposit Maturities Three Months To Six Months TimeDepositMaturitiesThreeMonthsToSixMonths	966800000	usd
CY2021Q3	wfsl	Time Deposit Maturities Three Months To Six Months TimeDepositMaturitiesThreeMonthsToSixMonths	819906000	usd
CY2022Q3	wfsl	Time Deposit Maturities Six Months To Twelve Months TimeDepositMaturitiesSixMonthsToTwelveMonths	810680000	usd
CY2021Q3	wfsl	Time Deposit Maturities Six Months To Twelve Months TimeDepositMaturitiesSixMonthsToTwelveMonths	870801000	usd
CY2022Q3	wfsl	Time Deposit Maturities After Twelve Months TimeDepositMaturitiesAfterTwelveMonths	552828000	usd
CY2021Q3	wfsl	Time Deposit Maturities After Twelve Months TimeDepositMaturitiesAfterTwelveMonths	658379000	usd
CY2022Q3	us-gaap	Time Deposits TimeDeposits	3338043000	usd
CY2021Q3	us-gaap	Time Deposits TimeDeposits	3434087000	usd
CY2022Q3	wfsl	Customer Accounts Greater Than250000 CustomerAccountsGreaterThan250000	7400474000	usd
CY2022	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	10086000	usd
CY2021	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	5545000	usd
CY2020	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	8447000	usd
CY2022	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	1377000	usd
CY2021	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	1143000	usd
CY2020	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	959000	usd
CY2022	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	12423000	usd
CY2021	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	8723000	usd
CY2020	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	18951000	usd
CY2022	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	19422000	usd
CY2021	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	27100000	usd
CY2020	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	72494000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	43308000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	42511000	usd
CY2020	us-gaap	Interest Expense Deposits InterestExpenseDeposits	100851000	usd
CY2022	us-gaap	Interest Expense Domestic Deposit Liabilities Withdrawal Penalties InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties	267000	usd
CY2021	us-gaap	Interest Expense Domestic Deposit Liabilities Withdrawal Penalties InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties	198000	usd
CY2020	us-gaap	Interest Expense Domestic Deposit Liabilities Withdrawal Penalties InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties	539000	usd
CY2022	us-gaap	Interest Expense Customer Deposits InterestExpenseCustomerDeposits	43041000	usd
CY2021	us-gaap	Interest Expense Customer Deposits InterestExpenseCustomerDeposits	42313000	usd
CY2020	us-gaap	Interest Expense Customer Deposits InterestExpenseCustomerDeposits	100312000	usd
CY2022Q3	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0051
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0023
CY2020Q3	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0048
CY2022	us-gaap	Weighted Average Rate Interest Bearing Domestic Deposits Over Time WeightedAverageRateInterestBearingDomesticDepositsOverTime	0.0034
CY2021	us-gaap	Weighted Average Rate Interest Bearing Domestic Deposits Over Time WeightedAverageRateInterestBearingDomesticDepositsOverTime	0.0035
CY2020	us-gaap	Weighted Average Rate Interest Bearing Domestic Deposits Over Time WeightedAverageRateInterestBearingDomesticDepositsOverTime	0.0094
CY2021Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0151
CY2022Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	2025000000	usd
CY2021Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	1320000000	usd
CY2022Q3	wfsl	Federal Home Loan Bank Advances Maturities Summary Due From One Year To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneYearToThreeYearsOfBalanceSheetDate	100000000	usd
CY2021Q3	wfsl	Federal Home Loan Bank Advances Maturities Summary Due From One Year To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneYearToThreeYearsOfBalanceSheetDate	400000000	usd
CY2022Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	2125000000	usd
CY2021Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1720000000	usd
CY2022	wfsl	Federal Home Loan Bank Advances Weighted Average Effective Maturity FederalHomeLoanBankAdvancesWeightedAverageEffectiveMaturity	P3Y3M
CY2021	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	44188000	usd
CY2020	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	51445000	usd
CY2022Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0202
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2020Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0179
CY2022	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0166
CY2021	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0198
CY2020	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0203
CY2022	wfsl	Federal Home Loan Bank Advances Activity For Year Daily Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearDailyAverageBalanceOfAgreementsOutstanding	1731110000	usd
CY2021	wfsl	Federal Home Loan Bank Advances Activity For Year Daily Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearDailyAverageBalanceOfAgreementsOutstanding	2234027000	usd
CY2020	wfsl	Federal Home Loan Bank Advances Activity For Year Daily Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearDailyAverageBalanceOfAgreementsOutstanding	2532596000	usd
CY2022Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	2125000000	usd
CY2021Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	2700000000	usd
CY2020Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	3050000000	usd
CY2022	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	28729000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	25546000	usd
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	27785000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	27974000	usd
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	29569000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y6M
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0199
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	6788000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	6425000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3611000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2864000	usd
CY2022	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	1
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	6654000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	6754000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	1537000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	1095000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	358000	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	185000	usd
CY2022	us-gaap	Lease Cost LeaseCost	7833000	usd
CY2021	us-gaap	Lease Cost LeaseCost	7664000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6215000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5503000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4596000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3732000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2866000	usd
CY2022	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Amount DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount	61000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	7783000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	30695000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2721000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	27974000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	8191000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	7849000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	32500000	usd
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	27500000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	47426000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	45724000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	329000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	173000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	1104000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	1080000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	6841000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	6230000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2636000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2508000	usd
CY2022Q3	wfsl	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	6207000	usd
CY2021Q3	wfsl	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	6655000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1329000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	4525000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	65872000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	66895000	usd
CY2022Q3	wfsl	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	9826000	usd
CY2021Q3	wfsl	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	9783000	usd
CY2022Q3	wfsl	Deferred Tax Liabilities Investmentsand Derivative Instruments DeferredTaxLiabilitiesInvestmentsandDerivativeInstruments	15765000	usd
CY2021Q3	wfsl	Deferred Tax Liabilities Investmentsand Derivative Instruments DeferredTaxLiabilitiesInvestmentsandDerivativeInstruments	20845000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	10918000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	5645000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	20132000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21426000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	5992000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	6249000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	5323000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	2982000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4141000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6157000	usd
CY2022Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	72097000	usd
CY2021Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	73087000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	6225000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	6192000	usd
CY2022Q3	wfsl	Current Tax Asset Liability CurrentTaxAssetLiability	2920000	usd
CY2021Q3	wfsl	Current Tax Asset Liability CurrentTaxAssetLiability	10069000	usd
CY2022Q3	wfsl	Income Tax Asset Liability Net IncomeTaxAssetLiabilityNet	-3305000	usd
CY2021Q3	wfsl	Income Tax Asset Liability Net IncomeTaxAssetLiabilityNet	3877000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1413000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.02
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.02
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.02
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.02
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.02
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.02
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.21
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.21
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.21
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1486000	usd
CY2022	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	5666000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	50854000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	53820000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	49782000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	7187000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8468000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-7858000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	58041000	usd
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	45352000	usd
CY2020	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	41924000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6600000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5584000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5310000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-934000	usd
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	4171000	usd
CY2020	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	3824000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	57454000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	59404000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	55092000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6253000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9881000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9344000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63707000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	49523000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45748000	usd
CY2022	wfsl	Income Tax Examination Returns Opento Examination Maximum IncomeTaxExaminationReturnsOpentoExaminationMaximum	P5Y
CY2022	wfsl	Income Tax Examination Returns Opento Examination State Impactof Federal Changes Maximum IncomeTaxExaminationReturnsOpentoExaminationStateImpactofFederalChangesMaximum	P2Y
CY2022	wfsl	Defined Contribution Plan Service Period For Participation Eligibility DefinedContributionPlanServicePeriodForParticipationEligibility	P30D
CY2022	wfsl	Defined Contribution Plan Service Period For Eligibility Of Profit Sharing Or Matching Contributions DefinedContributionPlanServicePeriodForEligibilityOfProfitSharingOrMatchingContributions	P1Y
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	1
CY2022	wfsl	Term For Employees To Become Fully Vested TermForEmployeesToBecomeFullyVested	P6Y
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	10559000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9905000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	8333000	usd
CY2022	wfsl	Share Based Compensation Arrangement By Share Based Payment Award Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTerm	P10Y
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	352043	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1043349	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1229724	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	28.93
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P9Y
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	19846	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	17.06
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	179555	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	29.05
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1030323	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.14
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	5330000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	352043	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	32.49
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	64415	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	28.16
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	180343	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	30.24
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1137608	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	30.06
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	usd
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	156698	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	28.16
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	285000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1296000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1676000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1344000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	3724344	shares
CY2022	wfsl	Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageGrantDateFairValue	5.10
CY2021	wfsl	Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageGrantDateFairValue	4.39
CY2020	wfsl	Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageGrantDateFairValue	4.37
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	433000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	276000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	102000	usd
CY2022	wfsl	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedGrantDateFairValue	345000	usd
CY2021	wfsl	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedGrantDateFairValue	78000	usd
CY2020	wfsl	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedGrantDateFairValue	33000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1823000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	339000	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	144000	usd
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1031134	shares
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	4.39
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1210689	shares
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	4.38
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	293167	shares
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	5.33
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	352043	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	7.18
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1043349	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.17
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	223387	shares
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	5.32
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	0	shares
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	0
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	0	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	0
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	178380	shares
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	5.02
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	179555	shares
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	4.31
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	125827	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	4.83
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	981410	shares
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	5.07
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1031134	shares
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	4.39
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1210689	shares
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	4.38
CY2021Q1	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.04875
CY2021	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	293325000	usd
CY2022	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	92774	shares
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	10810113	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.39
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.39
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65287650	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72529188	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	76721969	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65404110	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72565920	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	76731464	shares
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	221705000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	221705000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	173581000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	173581000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	173438000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	173438000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.40
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.26

Files In Submission

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0000936528-22-000143-index-headers.html	Edgar Link	pending
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wfsl-20220930_htm.xml	Edgar Link	completed

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$WAFD
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2022 Q4 Form 10-K Financial Statement

#000093652822000143 Filed on November 18, 2022

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$WAFD WAFD INC Stock $wafd

2022 Q4 Form 10-K Financial Statement

#000093652822000143 Filed on November 18, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WAFD
WAFD INC Stock $wafd