$HFWA
HERITAGE FINANCIAL CORP /WA/ Stock $hfwa

$hfwa Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000104602521000012 Filed on February 26, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$54.68M	$53.94M	$54.88M
YoY Change	1.36%	-1.71%	0.51%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development			$2.333M
YoY Change			-0.43%
% of Gross Profit
Depreciation & Amortization	$860.0K	$11.62M	$180.0K
YoY Change	-92.6%	243.79%	-94.89%
% of Gross Profit
Operating Expenses			$2.333M
YoY Change			-0.43%
Operating Profit
YoY Change
Interest Expense	$2.222M	$4.828M	$4.641M
YoY Change	-53.98%	34.3%	33.36%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$28.31M	$20.57M	$21.52M
YoY Change	37.63%	-3.42%	15.37%
Income Tax	$4.429M	$3.445M	$3.621M
% Of Pretax Income	15.64%	16.75%	16.83%
Net Earnings	$23.88M	$17.13M	$17.90M
YoY Change	39.45%	3.11%	15.42%
Net Earnings / Revenue	43.68%	31.75%	32.61%
Basic Earnings Per Share	$0.66	$0.47	$0.49
Diluted Earnings Per Share	$0.66	$0.47	$0.48
COMMON SHARES
Basic Shares Outstanding	35.91M shares		36.74M shares
Diluted Shares Outstanding			36.88M shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$743.3M	$228.6M	$237.0M
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	$85.45M	$87.89M	$86.56M
YoY Change	-2.77%	8.37%	7.61%
Goodwill	$240.9M	$240.9M	$240.9M
YoY Change	0.0%	0.0%	0.04%
Intangibles	$13.09M	$16.61M	$17.59M
YoY Change	-21.22%	-19.41%	-19.05%
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	$6.615B	$5.553B	$5.515B
YoY Change	19.13%	4.44%	4.53%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$140.3M	$120.2M	$102.4M
YoY Change	16.72%	66.94%	28.81%
Deferred Revenue
YoY Change
Short-Term Debt	$35.70M	$20.20M	$25.90M
YoY Change	76.73%	-35.87%	-19.57%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$140.3M	$120.2M	$102.4M
YoY Change	16.72%	66.94%	28.81%
LONG-TERM LIABILITIES
Long-Term Debt	$20.90M	$20.60M	$20.50M
YoY Change	1.46%	1.48%	1.49%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$20.90M	$20.60M	$20.50M
YoY Change	1.46%	1.48%	1.49%
TOTAL LIABILITIES
Total Short-Term Liabilities	$140.3M	$120.2M	$102.4M
Total Long-Term Liabilities	$20.90M	$20.60M	$20.50M
Total Liabilities	$5.795B	$4.744B	$4.711B
YoY Change	22.16%	4.11%	4.0%
SHAREHOLDERS EQUITY
Retained Earnings	$224.4M	$212.5M	$206.0M
YoY Change	5.61%	20.47%	21.36%
Common Stock	$571.0M	$586.5M	$585.6M
YoY Change	-2.63%	-0.9%	-0.93%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$820.4M	$809.3M	$804.1M
YoY Change
Total Liabilities & Shareholders Equity	$6.615B	$5.553B	$5.515B
YoY Change	19.13%	4.44%	4.53%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$23.88M	$17.13M	$17.90M
YoY Change	39.45%	3.11%	15.42%
Depreciation, Depletion And Amortization	$860.0K	$11.62M	$180.0K
YoY Change	-92.6%	243.79%	-94.89%
Cash From Operating Activities	$28.00M	$35.59M	$19.81M
YoY Change	-21.33%	31.72%	-22.89%
INVESTING ACTIVITIES
Capital Expenditures	-$860.0K	-$2.510M	-$4.160M
YoY Change	-65.74%	39.44%	-13.51%
Acquisitions
YoY Change
Other Investing Activities	$231.6M	-$45.58M	-$30.61M
YoY Change	-608.03%	-20.04%	711.94%
Cash From Investing Activities	$230.7M	-$48.09M	-$34.76M
YoY Change	-579.73%	-18.21%	305.6%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-91.62M	4.100M	112.6M
YoY Change	-2334.63%	-82.58%	387.79%
NET CHANGE
Cash From Operating Activities	28.00M	35.59M	19.81M
Cash From Investing Activities	230.7M	-48.09M	-34.76M
Cash From Financing Activities	-91.62M	4.100M	112.6M
Net Change In Cash	167.1M	-8.400M	97.68M
YoY Change	-2089.05%	1.94%	142.92%
FREE CASH FLOW
Cash From Operating Activities	$28.00M	$35.59M	$19.81M
Capital Expenditures	-$860.0K	-$2.510M	-$4.160M
Free Cash Flow	$28.86M	$38.10M	$23.97M
YoY Change	-24.25%	32.2%	-21.41%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001046025
CY2020	dei	Amendment Flag AmendmentFlag	false
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CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilities
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	000-29480
CY2020	dei	Entity Registrant Name EntityRegistrantName	HERITAGE FINANCIAL CORP
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	WA
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	91-1857900
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	201 Fifth Avenue SW,
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Olympia
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	98501
CY2020	dei	City Area Code CityAreaCode	360
CY2020	dei	Local Phone Number LocalPhoneNumber	943-1500
CY2020	dei	Security12b Title Security12bTitle	Common Stock
CY2020	dei	Trading Symbol TradingSymbol	HFWA
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2019	us-gaap	Noninterest Expense NoninterestExpense	146788000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	149187000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	53180000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	81045000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	64295000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6610000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13488000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11238000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46570000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67557000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53057000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.29
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.84
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.49
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.29
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.83
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.80
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.84
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36014445	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36758230	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36170066	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36985766	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35371590	shares
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46570000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67557000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53057000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4506000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4834000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1591000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-330000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-69000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-29000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14640000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17833000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-6064000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	61210000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	85390000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	46993000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	809311000	USD
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	122000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	3559000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	19119000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46570000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14640000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.80
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	29029000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	820439000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	760723000	USD
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	58000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	3231000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	8636000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67557000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17833000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.84
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	31056000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	809311000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	508305000	USD
CY2018	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	133000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	2744000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1704000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53057000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-6064000	USD
CY2018	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	230043000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	25791000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	760723000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46570000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67557000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53057000	USD
CY2020	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	-3612000	USD
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	14113000	USD
CY2018	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	17622000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	36106000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4311000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	5129000	USD
CY2020	hfwa	Net Change In Accrued Interest Receivable Prepaid Expenses And Other Assets Accrued Expenses And Other Liabilities NetChangeInAccruedInterestReceivablePrepaidExpensesAndOtherAssetsAccruedExpensesAndOtherLiabilities	-11154000	USD
CY2019	hfwa	Net Change In Accrued Interest Receivable Prepaid Expenses And Other Assets Accrued Expenses And Other Liabilities NetChangeInAccruedInterestReceivablePrepaidExpensesAndOtherAssetsAccruedExpensesAndOtherLiabilities	5757000	USD
CY2018	hfwa	Net Change In Accrued Interest Receivable Prepaid Expenses And Other Assets Accrued Expenses And Other Liabilities NetChangeInAccruedInterestReceivablePrepaidExpensesAndOtherAssetsAccruedExpensesAndOtherLiabilities	10195000	USD
CY2020	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	3559000	USD
CY2019	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	3231000	USD
CY2018	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	2744000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3525000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4001000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3819000	USD
CY2020	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	136979000	USD
CY2019	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	72216000	USD
CY2018	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	76101000	USD
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	142624000	USD
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	70397000	USD
CY2018	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	79237000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4319000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2160000	USD
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1753000	USD
CY2020	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	0	USD
CY2019	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	-51000	USD
CY2018	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	-49000	USD
CY2020	hfwa	Interest Rate Swap Valuation Adjustments InterestRateSwapValuationAdjustments	-422000	USD
CY2019	hfwa	Interest Rate Swap Valuation Adjustments InterestRateSwapValuationAdjustments	0	USD
CY2018	hfwa	Interest Rate Swap Valuation Adjustments InterestRateSwapValuationAdjustments	0	USD
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	179000	USD
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-227000	USD
CY2018	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
CY2020	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	5044000	USD
CY2019	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2424000	USD
CY2018	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2759000	USD
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1518000	USD
CY2019	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	330000	USD
CY2018	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	137000	USD
CY2020	hfwa	Gain Lossof Assets Heldfor Sale GainLossofAssetsHeldforSale	1043000	USD
CY2019	hfwa	Gain Lossof Assets Heldfor Sale GainLossofAssetsHeldforSale	169000	USD
CY2018	hfwa	Gain Lossof Assets Heldfor Sale GainLossofAssetsHeldforSale	798000	USD
CY2020	hfwa	Impairment Of Assets Held For Sale ImpairmentOfAssetsHeldForSale	630000	USD
CY2019	hfwa	Impairment Of Assets Held For Sale ImpairmentOfAssetsHeldForSale	102000	USD
CY2018	hfwa	Impairment Of Assets Held For Sale ImpairmentOfAssetsHeldForSale	75000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	655000	USD
CY2019	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	117000	USD
CY2018	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-88000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	75000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-32000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	70331000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	92490000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	90411000	USD
CY2020	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	692720000	USD
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	126142000	USD
CY2018	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	106527000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	264223000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	242348000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	92563000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	152618000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	242776000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	342141000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	55030000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	43962000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	156014000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6997000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13041000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	23265000	USD
CY2020	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	0	USD
CY2019	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	3562000	USD
CY2018	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	9993000	USD
CY2020	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	1290000	USD
CY2019	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	864000	USD
CY2018	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	198000	USD
CY2020	hfwa	Proceedsfrom Saleof Assets Heldfor Sale ProceedsfromSaleofAssetsHeldforSale	2407000	USD
CY2019	hfwa	Proceedsfrom Saleof Assets Heldfor Sale ProceedsfromSaleofAssetsHeldforSale	1664000	USD
CY2018	hfwa	Proceedsfrom Saleof Assets Heldfor Sale ProceedsfromSaleofAssetsHeldforSale	1908000	USD
CY2020	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	2560000	USD
CY2019	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	18032000	USD
CY2018	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	26538000	USD
CY2020	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	2844000	USD
CY2019	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	18333000	USD
CY2018	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	22524000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	554000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	96000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	28000	USD
CY2020	hfwa	Purchasebankownedlifeinsurance Purchasebankownedlifeinsurance	3641000	USD
CY2019	hfwa	Purchasebankownedlifeinsurance Purchasebankownedlifeinsurance	8053000	USD
CY2018	hfwa	Purchasebankownedlifeinsurance Purchasebankownedlifeinsurance	54000	USD
CY2020	hfwa	Bank Owned Life Insurance Death Benefit BankOwnedLifeInsuranceDeathBenefit	-1324000	USD
CY2019	hfwa	Bank Owned Life Insurance Death Benefit BankOwnedLifeInsuranceDeathBenefit	0	USD
CY2018	hfwa	Bank Owned Life Insurance Death Benefit BankOwnedLifeInsuranceDeathBenefit	0	USD
CY2020	hfwa	Changeinlowincometaxhousingtaxcreditpartnership Changeinlowincometaxhousingtaxcreditpartnership	-7117000	USD
CY2019	hfwa	Changeinlowincometaxhousingtaxcreditpartnership Changeinlowincometaxhousingtaxcreditpartnership	-27485000	USD
CY2018	hfwa	Changeinlowincometaxhousingtaxcreditpartnership Changeinlowincometaxhousingtaxcreditpartnership	-8303000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	105974000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-538549000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-125302000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-109598000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1015314000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	150274000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	214740000	USD
CY2020	us-gaap	Increase Decrease In Loans To Federal Home Loan Banks IncreaseDecreaseInLoansToFederalHomeLoanBanks	-64000000	USD
CY2019	us-gaap	Increase Decrease In Loans To Federal Home Loan Banks IncreaseDecreaseInLoansToFederalHomeLoanBanks	-445800000	USD
CY2018	us-gaap	Increase Decrease In Loans To Federal Home Loan Banks IncreaseDecreaseInLoansToFederalHomeLoanBanks	-554950000	USD
CY2020	us-gaap	Repayments Of Debt RepaymentsOfDebt	64000000	USD
CY2019	us-gaap	Repayments Of Debt RepaymentsOfDebt	445800000	USD
CY2018	us-gaap	Repayments Of Debt RepaymentsOfDebt	663450000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	28859000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	30908000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	25791000	USD
CY2020	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	-15514000	USD
CY2019	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	11318000	USD
CY2018	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	796000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	122000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	58000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	133000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	19119000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8636000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1704000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	982972000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	99470000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	78082000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	514754000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	66658000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	70200000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	58895000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	228568000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	161910000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	103015000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	743322000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	228568000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	161910000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	13136000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	17867000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	12385000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	13432000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7528000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5634000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	270000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0	USD
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	434000	USD
CY2020	hfwa	Transferof Propertyand Equipmentto Prepaid Expensesand Other Assets Heldforsale TransferofPropertyandEquipmenttoPrepaidExpensesandOtherAssetsHeldforsale	3243000	USD
CY2019	hfwa	Transferof Propertyand Equipmentto Prepaid Expensesand Other Assets Heldforsale TransferofPropertyandEquipmenttoPrepaidExpensesandOtherAssetsHeldforsale	1533000	USD
CY2018	hfwa	Transferof Propertyand Equipmentto Prepaid Expensesand Other Assets Heldforsale TransferofPropertyandEquipmenttoPrepaidExpensesandOtherAssetsHeldforsale	1836000	USD
CY2020	hfwa	Investmentinlowincomehousingtaxpartnership Investmentinlowincomehousingtaxpartnership	10237000	USD
CY2019	hfwa	Investmentinlowincomehousingtaxpartnership Investmentinlowincomehousingtaxpartnership	46677000	USD
CY2018	hfwa	Investmentinlowincomehousingtaxpartnership Investmentinlowincomehousingtaxpartnership	0	USD
CY2020	hfwa	Transferof Bank Owned Life Insurance To Prepaid Expenses And Other Assets TransferofBankOwnedLifeInsuranceToPrepaidExpensesAndOtherAssets	2672000	USD
CY2019	hfwa	Transferof Bank Owned Life Insurance To Prepaid Expenses And Other Assets TransferofBankOwnedLifeInsuranceToPrepaidExpensesAndOtherAssets	209000	USD
CY2018	hfwa	Transferof Bank Owned Life Insurance To Prepaid Expenses And Other Assets TransferofBankOwnedLifeInsuranceToPrepaidExpensesAndOtherAssets	421000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1265000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1505000	USD
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2020	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2018	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	230043000	USD
CY2020	hfwa	Noncash Or Part Noncash Acquisition Investment Available For Sale NoncashOrPartNoncashAcquisitionInvestmentAvailableForSale	0	USD
CY2019	hfwa	Noncash Or Part Noncash Acquisition Investment Available For Sale NoncashOrPartNoncashAcquisitionInvestmentAvailableForSale	0	USD
CY2018	hfwa	Noncash Or Part Noncash Acquisition Investment Available For Sale NoncashOrPartNoncashAcquisitionInvestmentAvailableForSale	84846000	USD
CY2020	hfwa	Noncash Or Part Noncash Acquisition Purchased Non Covered Loans Receivable NoncashOrPartNoncashAcquisitionPurchasedNonCoveredLoansReceivable	0	USD
CY2019	hfwa	Noncash Or Part Noncash Acquisition Purchased Non Covered Loans Receivable NoncashOrPartNoncashAcquisitionPurchasedNonCoveredLoansReceivable	0	USD
CY2018	hfwa	Noncash Or Part Noncash Acquisition Purchased Non Covered Loans Receivable NoncashOrPartNoncashAcquisitionPurchasedNonCoveredLoansReceivable	718620000	USD
CY2020	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
CY2019	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
CY2018	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	1796000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	3785000	USD
CY2020	hfwa	Noncash Or Part Noncash Acquisition Accounts Fhlb Stock Acquired NoncashOrPartNoncashAcquisitionAccountsFhlbStockAcquired	0	USD
CY2019	hfwa	Noncash Or Part Noncash Acquisition Accounts Fhlb Stock Acquired NoncashOrPartNoncashAcquisitionAccountsFhlbStockAcquired	0	USD
CY2018	hfwa	Noncash Or Part Noncash Acquisition Accounts Fhlb Stock Acquired NoncashOrPartNoncashAcquisitionAccountsFhlbStockAcquired	1743000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	2454000	USD
CY2020	hfwa	Noncashor Part Noncash Bank Owned Life Insuranceacquired NoncashorPartNoncashBankOwnedLifeInsuranceacquired	0	USD
CY2019	hfwa	Noncashor Part Noncash Bank Owned Life Insuranceacquired NoncashorPartNoncashBankOwnedLifeInsuranceacquired	0	USD
CY2018	hfwa	Noncashor Part Noncash Bank Owned Life Insuranceacquired NoncashorPartNoncashBankOwnedLifeInsuranceacquired	17116000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	2957000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	18345000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	121910000	USD
CY2020	hfwa	Noncash Or Part Noncash Acquisition Deposits Liability NoncashOrPartNoncashAcquisitionDepositsLiability	0	USD
CY2019	hfwa	Noncash Or Part Noncash Acquisition Deposits Liability NoncashOrPartNoncashAcquisitionDepositsLiability	0	USD
CY2018	hfwa	Noncash Or Part Noncash Acquisition Deposits Liability NoncashOrPartNoncashAcquisitionDepositsLiability	824602000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	16000000	USD
CY2020	hfwa	Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase	0	USD
CY2019	hfwa	Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase	0	USD
CY2018	hfwa	Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase	462000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	8439000	USD
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain prior year amounts in the Consolidated Statements of Income have been reclassified to conform to the current year’s presentation. Reclassifications had no effect on the prior years' net income or stockholders’ equity.
CY2020Q4	hfwa	Capitalization Threshold Policy Contractual Lease Payments CapitalizationThresholdPolicyContractualLeasePayments	25000	USD
CY2020	hfwa	Variable Interest Entity Numberof Investments VariableInterestEntityNumberofInvestments	2	tranch
CY2020Q4	hfwa	Numberof Tranches NumberofTranches	3	tranch
CY2020	hfwa	Tax Credit Carryforward Required Funding Percentage TaxCreditCarryforwardRequiredFundingPercentage	0.85
CY2020	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2020Q1	hfwa	Accumulated Credit Losses To Loans Receivable Ratio AccumulatedCreditLossesToLoansReceivableRatio	0.0101
CY2019Q4	hfwa	Accumulated Credit Losses To Loans Receivable Ratio AccumulatedCreditLossesToLoansReceivableRatio	0.0096
CY2020Q1	hfwa	Financing Receivable Purchase Discount Premium Cecl Day1 Balance FinancingReceivablePurchaseDiscountPremiumCECLDay1Balance	4300000	USD
CY2020Q1	hfwa	Financing Receivable Purchase Discount Premium FinancingReceivablePurchaseDiscountPremium	10000000.0	USD
CY2019Q4	hfwa	Financing Receivable Purchase Discount Premium FinancingReceivablePurchaseDiscountPremium	8400000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	194989000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	69515000	USD
CY2020	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.88
CY2020	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.87
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0	USD
CY2020Q4	us-gaap	Trading Securities TradingSecurities	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0	USD
CY2019Q4	us-gaap	Trading Securities TradingSecurities	0	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	770195000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	32521000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	553000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	802163000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	939160000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	14660000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1508000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	952312000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	55631000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	56055000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	138458000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	145562000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	209381000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	220191000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	366725000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	380355000	USD
CY2020Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	770195000	USD
CY2020Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	802163000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	21668000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	256000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	37362000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	297000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	59030000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	553000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	145676000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	558000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	107451000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	950000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	253127000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1508000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1537000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	558000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	273000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	19000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	228000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	136000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	1518000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	330000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	137000	USD
CY2020Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	187947000	USD
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	194890000	USD
CY2019Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	229189000	USD
CY2019Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	232917000	USD
CY2020Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	3600000	USD
CY2019Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	3700000	USD
CY2020	hfwa	Number Of Loan Segments NumberOfLoanSegments	4	segment
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4468647000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3767879000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	70185000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	36171000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	4398462000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3731708000	USD
CY2020Q4	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	6575000	USD
CY2019Q4	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	8371000	USD
CY2020Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-15458000	USD
CY2020	hfwa	Loans And Leases Receivable Maximum Percentage Consumer Loans LoansAndLeasesReceivableMaximumPercentageConsumerLoans	0.80
CY2019Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	2441000	USD
CY2020Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	1279419000	USD
CY2020Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	804177000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	460216000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	381636000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	433213000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	867824000	USD
CY2020Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	236339000	USD
CY2020Q4	hfwa	Financing Receivablerevolvingconvertedto Term Loans FinancingReceivablerevolvingconvertedtoTermLoans	5823000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4468647000	USD
CY2019Q4	hfwa	Financing Receivables Pass Rated FinancingReceivablesPassRated	3625083000	USD
CY2019Q4	hfwa	Financing Receivables Oaem Rated FinancingReceivablesOaemRated	48859000	USD
CY2019Q4	hfwa	Financing Receivables Substandard Rated FinancingReceivablesSubstandardRated	93413000	USD
CY2019Q4	hfwa	Financing Receivables Doubtful Rated FinancingReceivablesDoubtfulRated	524000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3767879000	USD
CY2020Q4	hfwa	Potential Problem Loans Receivable PotentialProblemLoansReceivable	182300000	USD
CY2019Q4	hfwa	Potential Problem Loans Receivable PotentialProblemLoansReceivable	87800000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	30826000	USD
CY2020Q4	hfwa	Financing Receivable Nonaccrualwith Allowance FinancingReceivableNonaccrualwithAllowance	27266000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	58092000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	44525000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	20922000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4447725000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4468647000	USD
CY2019Q4	us-gaap	Certain Loans And Debt Securities Acquired In Transfer With Related Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferWithRelatedAllowanceForCreditLossesDueToSubsequentImpairment	18110000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3767879000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	31406000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	39646000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	17835000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	57481000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	59837000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2143000	USD
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	47164000	USD
CY2018	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	39489000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	2600000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	736000	USD
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	20950000	USD
CY2019Q4	us-gaap	Certain Loans And Debt Securities Acquired In Transfer With Related Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferWithRelatedAllowanceForCreditLossesDueToSubsequentImpairment	18110000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8144000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8367000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8460000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	199000	USD
CY2019	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	0	USD
CY2020Q4	hfwa	Borrowingsfrom Related Parties BorrowingsfromRelatedParties	0	USD
CY2018	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	211000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	649000	USD
CY2019	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	223000	USD
CY2018	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	304000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	7694000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8144000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8367000	USD
CY2020Q4	hfwa	Unfunded Commitmentson Loansand Leases Receivable Related Parties UnfundedCommitmentsonLoansandLeasesReceivableRelatedParties	545000000	USD
CY2019Q4	hfwa	Unfunded Commitmentson Loansand Leases Receivable Related Parties UnfundedCommitmentsonLoansandLeasesReceivableRelatedParties	557000000	USD
CY2019Q4	hfwa	Borrowingsfrom Related Parties BorrowingsfromRelatedParties	0	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	4900000	USD
CY2019Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	5500000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	583000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	361000	USD
CY2018Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	0	USD
CY2018Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36171000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	35042000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	32086000	USD
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	5622000	USD
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	4989000	USD
CY2018	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	3605000	USD
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2381000	USD
CY2019	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1807000	USD
CY2018	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1432000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	35433000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4311000	USD
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5129000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	70185000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36171000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	35042000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36171000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37993000	USD
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	5622000	USD
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2381000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	35433000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	70185000	USD
CY2020	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	3200000	USD
CY2020	hfwa	Financing Receivable Allowance For Credit Losses Recovery Details FinancingReceivableAllowanceForCreditLossesRecoveryDetails	963000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	35400000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	35042000	USD
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	4989000	USD
CY2019	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1807000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4311000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36171000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2143000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	31759000	USD
CY2019Q4	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	2269000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36171000	USD
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	57481000	USD
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3692288000	USD
CY2019Q4	hfwa	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmount	18110000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3767879000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	32086000	USD
CY2018	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	3605000	USD
CY2018	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1432000	USD
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5129000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	35042000	USD
CY2019Q4	us-gaap	Other Real Estate OtherRealEstate	841000	USD
CY2018Q4	us-gaap	Other Real Estate OtherRealEstate	1983000	USD
CY2017Q4	us-gaap	Other Real Estate OtherRealEstate	0	USD
CY2020	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	270000	USD
CY2019	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	0	USD
CY2018	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	434000	USD
CY2020	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
CY2019	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
CY2018	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	1796000	USD
CY2020	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	1290000	USD
CY2019	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	864000	USD
CY2018	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	198000	USD
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	179000	USD
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-227000	USD
CY2018	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
CY2020	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	0	USD
CY2019	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	-51000	USD
CY2018	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	-49000	USD
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	0	USD
CY2019Q4	us-gaap	Other Real Estate OtherRealEstate	841000	USD
CY2018Q4	us-gaap	Other Real Estate OtherRealEstate	1983000	USD
CY2020Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	0	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	119593000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	121167000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	34141000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	33279000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	85452000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	87888000	USD
CY2020	us-gaap	Depreciation Depreciation	5500000	USD
CY2019	us-gaap	Depreciation Depreciation	4700000	USD
CY2018	us-gaap	Depreciation Depreciation	4400000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	240939000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	240939000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	119029000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	121910000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	240939000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	240939000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	240939000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	16613000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	20614000	USD
CY2017Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	6088000	USD
CY2020	hfwa	Intangible Assets Additionsdueto Acquisitions IntangibleAssetsAdditionsduetoAcquisitions	0	USD
CY2019	hfwa	Intangible Assets Additionsdueto Acquisitions IntangibleAssetsAdditionsduetoAcquisitions	0	USD
CY2018	hfwa	Intangible Assets Additionsdueto Acquisitions IntangibleAssetsAdditionsduetoAcquisitions	18345000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3525000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4001000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3819000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	13088000	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	16613000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	20614000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3111000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2750000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2435000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1640000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1173000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1979000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	13088000	USD
CY2020Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	1980531000	USD
CY2020Q4	hfwa	Percentage Of Noninterest Bearing Domestic Deposit Demand PercentageOfNoninterestBearingDomesticDepositDemand	0.354
CY2019Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	1446502000	USD
CY2019Q4	hfwa	Percentage Of Noninterest Bearing Domestic Deposit Demand PercentageOfNoninterestBearingDomesticDepositDemand	0.316
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1716123000	USD
CY2020Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Demand PercentageOfInterestBearingDomesticDepositsToDepositsDemand	0.307
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1348817000	USD
CY2019Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Demand PercentageOfInterestBearingDomesticDepositsToDepositsDemand	0.294
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	962983000	USD
CY2020Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.172
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	753684000	USD
CY2019Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.164
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	538819000	USD
CY2020Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.096
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	509095000	USD
CY2019Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.112
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	5198456000	USD
CY2020Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Time Deposits PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits	0.929
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	4058098000	USD
CY2019Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Time Deposits PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits	0.886
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	399534000	USD
CY2020Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Certificates Of Deposit PercentageOfInterestBearingDomesticDepositsToDepositsCertificatesOfDeposit	0.071
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	524578000	USD
CY2019Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Certificates Of Deposit PercentageOfInterestBearingDomesticDepositsToDepositsCertificatesOfDeposit	0.114
CY2020Q4	us-gaap	Deposits Deposits	5597990000	USD
CY2020Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits PercentageOfInterestBearingDomesticDepositsToDeposits	1.000
CY2019Q4	us-gaap	Deposits Deposits	4582676000	USD
CY2019Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits PercentageOfInterestBearingDomesticDepositsToDeposits	1.000
CY2020Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	187000	USD
CY2019Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	425000	USD
CY2020Q4	us-gaap	Deposit Liabilities Accrued Interest DepositLiabilitiesAccruedInterest	73000	USD
CY2019Q4	us-gaap	Deposit Liabilities Accrued Interest DepositLiabilitiesAccruedInterest	160000	USD
CY2020	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	3234000	USD
CY2019	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	3940000	USD
CY2018	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	2728000	USD
CY2020	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	2830000	USD
CY2019	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	2754000	USD
CY2018	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	1654000	USD
CY2020	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	527000	USD
CY2019	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	2634000	USD
CY2018	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	2056000	USD
CY2020	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	5674000	USD
CY2019	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	7021000	USD
CY2018	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	3959000	USD
CY2020	us-gaap	Interest Expense Deposits InterestExpenseDeposits	12265000	USD
CY2019	us-gaap	Interest Expense Deposits InterestExpenseDeposits	16349000	USD
CY2018	us-gaap	Interest Expense Deposits InterestExpenseDeposits	10397000	USD
CY2020Q4	us-gaap	Time Deposit Maturities After Next Rolling Twelve Months TimeDepositMaturitiesAfterNextRollingTwelveMonths	325686000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Rolling Year Two TimeDepositMaturitiesRollingYearTwo	39821000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Rolling Year Three TimeDepositMaturitiesRollingYearThree	21822000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Rolling Year Four TimeDepositMaturitiesRollingYearFour	7550000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Rolling Year Five TimeDepositMaturitiesRollingYearFive	4625000	USD
CY2020Q4	us-gaap	Time Deposit Maturities After Rolling Year Five TimeDepositMaturitiesAfterRollingYearFive	30000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	399534000	USD
CY2020Q4	hfwa	Time Deposits250000or More Domestic TimeDeposits250000orMoreDomestic	123100000	USD
CY2019Q4	hfwa	Time Deposits250000or More Domestic TimeDeposits250000orMoreDomestic	182900000	USD
CY2020Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	6300000	USD
CY2019Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	6900000	USD
CY2020Q4	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	20900000	USD
CY2019Q4	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	20600000	USD
CY2007Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	25000000.0	USD
CY2020	hfwa	Termof Junior Subordinated Debentures TermofJuniorSubordinatedDebentures	P30Y
CY2020Q4	hfwa	Adjustablerateoftrustpreferredsecurities Adjustablerateoftrustpreferredsecurities	0.0180
CY2019Q4	hfwa	Adjustablerateoftrustpreferredsecurities Adjustablerateoftrustpreferredsecurities	3.47
CY2020	hfwa	Repurchase Agreements Maturity Period RepurchaseAgreementsMaturityPeriod	P1D
CY2020	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="margin-top:5pt;text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table presents the balance of the Company's </span><span style="color:#1a1a1a;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">securities sold under agreement to repurchase </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">obligations by class of collateral pledged at the dates indicated:</span></div><div style="margin-bottom:5pt;margin-top:10pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:71.707%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.204%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.205%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2020</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2019</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(In thousands)</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Residential CMO and MBS</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,388 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,452 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commercial CMO and MBS</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,295 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,717 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">35,683 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,169 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	35683000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	20169000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	991700000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	0	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	0	USD
CY2020	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	1466000	USD
CY2019	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	11899000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	0	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	90700000	USD
CY2020	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0055
CY2019	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0257
CY2020Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	215000000.0	USD
CY2019Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	USD
CY2020Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	18000000.0	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	23000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19300000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	24200000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	4717000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	4950000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	49000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	95000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	967000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	781000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	55000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	71000	USD
CY2020	us-gaap	Lease Cost LeaseCost	5678000	USD
CY2019	us-gaap	Lease Cost LeaseCost	5755000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6100000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	4881000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	4858000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1265000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1505000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y2M12D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0312
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0327
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3547000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3136000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3105000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2759000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2508000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	6611000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	21666000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2391000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19275000	USD
CY2019Q4	hfwa	Lessee Operating Lease Lease Not Yet Commenced Undiscounted Amount LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount	7700000	USD
CY2020	hfwa	Percentageof Employer Contribution Fully Vested PercentageofEmployerContributionFullyVested	1
CY2019Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	4244000	USD
CY2018Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	3654000	USD
CY2017Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	2844000	USD
CY2020	us-gaap	Deferred Compensation Arrangement With Individual Contributions By Employer DeferredCompensationArrangementWithIndividualContributionsByEmployer	207000	USD
CY2019	us-gaap	Deferred Compensation Arrangement With Individual Contributions By Employer DeferredCompensationArrangementWithIndividualContributionsByEmployer	443000	USD
CY2018	us-gaap	Deferred Compensation Arrangement With Individual Contributions By Employer DeferredCompensationArrangementWithIndividualContributionsByEmployer	713000	USD
CY2020	hfwa	Deferred Compensation Arrangementswithindividual Contributionbyemployer Investment Return DeferredCompensationArrangementswithindividualContributionbyemployerInvestmentReturn	128000	USD
CY2019	hfwa	Deferred Compensation Arrangementswithindividual Contributionbyemployer Investment Return DeferredCompensationArrangementswithindividualContributionbyemployerInvestmentReturn	147000	USD
CY2018	hfwa	Deferred Compensation Arrangementswithindividual Contributionbyemployer Investment Return DeferredCompensationArrangementswithindividualContributionbyemployerInvestmentReturn	97000	USD
CY2020	us-gaap	Deferred Compensation Arrangement With Individual Distribution Paid DeferredCompensationArrangementWithIndividualDistributionPaid	478000	USD
CY2019	us-gaap	Deferred Compensation Arrangement With Individual Distribution Paid DeferredCompensationArrangementWithIndividualDistributionPaid	0	USD
CY2018	us-gaap	Deferred Compensation Arrangement With Individual Distribution Paid DeferredCompensationArrangementWithIndividualDistributionPaid	0	USD
CY2020Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	4101000	USD
CY2019	hfwa	Salary Continuation Plan Benefit Paid SalaryContinuationPlanBenefitPaid	554000	USD
CY2018	hfwa	Salary Continuation Plan Benefit Paid SalaryContinuationPlanBenefitPaid	529000	USD
CY2020	hfwa	Salary Continuation Plan Expense SalaryContinuationPlanExpense	288000	USD
CY2019Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	4244000	USD
CY2018Q4	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	3654000	USD
CY2019Q4	hfwa	Salary Continuation Plan SalaryContinuationPlan	4334000	USD
CY2018Q4	hfwa	Salary Continuation Plan SalaryContinuationPlan	4600000	USD
CY2017Q4	hfwa	Salary Continuation Plan SalaryContinuationPlan	0	USD
CY2020	hfwa	Salary Continuation Plan Benefit Paid SalaryContinuationPlanBenefitPaid	460000	USD
CY2019	hfwa	Salary Continuation Plan Expense SalaryContinuationPlanExpense	288000	USD
CY2018	hfwa	Salary Continuation Plan Expense SalaryContinuationPlanExpense	411000	USD
CY2020Q4	hfwa	Salary Continuation Plan SalaryContinuationPlan	4162000	USD
CY2019Q4	hfwa	Salary Continuation Plan SalaryContinuationPlan	4334000	USD
CY2018Q4	hfwa	Salary Continuation Plan SalaryContinuationPlan	4600000	USD
CY2020Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	1105425000	USD
CY2019Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	1212360000	USD
CY2020Q4	hfwa	Investmentsin Affordable Housing Limited Entities InvestmentsinAffordableHousingLimitedEntities	96400000	USD
CY2019Q4	hfwa	Investmentsin Affordable Housing Limited Entities InvestmentsinAffordableHousingLimitedEntities	92700000	USD
CY2020	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	7500000	USD
CY2019	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	5700000	USD
CY2018	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	2400000	USD
CY2020	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	6500000	USD
CY2019	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	5000000.0	USD
CY2018	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	3100000	USD
CY2020Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	53800000	USD
CY2019Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	50700000	USD
CY2019	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2020	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2018	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2020Q4	hfwa	Investmentin Certified Development Entities InvestmentinCertifiedDevelopmentEntities	25200000	USD
CY2019Q4	hfwa	Investmentin Certified Development Entities InvestmentinCertifiedDevelopmentEntities	25400000	USD
CY2020	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	694000	USD
CY2019	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	701000	USD
CY2018	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	708000	USD
CY2019	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2020	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2018	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2020Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	422000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46570000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	67557000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53057000	USD
CY2020	hfwa	Dividends And Undistributed Earnings DividendsAndUndistributedEarnings	7000	USD
CY2019	hfwa	Dividends And Undistributed Earnings DividendsAndUndistributedEarnings	57000	USD
CY2018	hfwa	Dividends And Undistributed Earnings DividendsAndUndistributedEarnings	223000	USD
CY2020	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	46563000	USD
CY2019	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	67500000	USD
CY2018	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	52834000	USD
CY2020	hfwa	Gross Weighted Average Number Of Shares Outstanding Basic GrossWeightedAverageNumberOfSharesOutstandingBasic	36018627	shares
CY2019	hfwa	Gross Weighted Average Number Of Shares Outstanding Basic GrossWeightedAverageNumberOfSharesOutstandingBasic	36789244	shares
CY2018	hfwa	Gross Weighted Average Number Of Shares Outstanding Basic GrossWeightedAverageNumberOfSharesOutstandingBasic	35281408	shares
CY2020	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	4182	shares
CY2019	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	31014	shares
CY2018	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	87405	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36014445	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36758230	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35194003	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36014445	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36758230	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35194003	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	155621	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	227536	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	177587	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36170066	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36985766	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35371590	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	137093	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1501	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2018-01-24
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2018Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2018-02-07
CY2018Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2018-02-21
CY2018Q2	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2018-04-25
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2018Q2	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2018-05-10
CY2018Q2	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2018-05-24
CY2018Q3	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2018-07-24
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2018Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2018-08-09
CY2018Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2018-08-23
CY2018Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2018-11-21
CY2018Q4	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2018-10-24
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2018Q4	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2018-11-07
CY2019Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-01-23
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2019Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-02-07
CY2019Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-02-21
CY2019Q2	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-04-24
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2019Q2	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-05-08
CY2019Q2	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-05-22
CY2019Q3	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-07-24
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2019Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-08-08
CY2019Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-08-22
CY2019Q4	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-10-23
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2019Q4	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-11-07
CY2019Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-11-21
CY2020Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-01-22
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2020Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-02-06
CY2020Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-02-20
CY2020Q2	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-04-29
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2020Q2	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-05-13
CY2020Q2	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-05-27
CY2020Q3	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-07-22
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2020Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-08-05
CY2020Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-08-19
CY2020Q4	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-10-21
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2020Q4	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-11-04
CY2020Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-11-18
CY2020	hfwa	Total Stock Repurchased During Period Shares TotalStockRepurchasedDuringPeriodShares	795700	shares
CY2020	hfwa	Stock Repurchased During Period Value Per Share StockRepurchasedDuringPeriodValuePerShare	23.25
CY2018Q4	hfwa	Business Combination Shares Issuedin Mergerbut Forfeitedto Pay Taxes BusinessCombinationSharesIssuedinMergerbutForfeitedtoPayTaxes	26741	shares
CY2018Q4	us-gaap	Business Acquisition Share Price BusinessAcquisitionSharePrice	31.80
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	27.69
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	646503	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	23231	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.21
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	9842	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.45
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	831	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	14.77
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	12558	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.77
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	3901	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.77
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8657	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.77
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	30.06
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	8248	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.77
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	409	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	14.77
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	442000	USD
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	1300000	USD
CY2018	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2200000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	23.50
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	0	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	17100000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	34200000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	34200000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	15800000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	15800000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15186000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	12504000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9866000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8576000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	984000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1372000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6610000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13488000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11238000	USD
CY2020	hfwa	Recognized Tax Benefit RecognizedTaxBenefit	967000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.124
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.166
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.175
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	11168000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	17020000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	13710000	USD
CY2020	hfwa	Recognized Tax Benefit RecognizedTaxBenefit	967000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1785000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1745000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1879000	USD
CY2020	hfwa	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisition Costs Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionCostsAmount	0	USD
CY2019	hfwa	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisition Costs Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionCostsAmount	0	USD
CY2018	hfwa	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisition Costs Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionCostsAmount	336000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1928000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1961000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	515000	USD
CY2020	hfwa	Income Tax Reconciliation Bank Owned Life Insurance Tax Fee Income IncomeTaxReconciliationBankOwnedLifeInsuranceTaxFeeIncome	827000	USD
CY2019	hfwa	Income Tax Reconciliation Bank Owned Life Insurance Tax Fee Income IncomeTaxReconciliationBankOwnedLifeInsuranceTaxFeeIncome	368000	USD
CY2018	hfwa	Income Tax Reconciliation Bank Owned Life Insurance Tax Fee Income IncomeTaxReconciliationBankOwnedLifeInsuranceTaxFeeIncome	330000	USD
CY2019	hfwa	Recognized Tax Benefit RecognizedTaxBenefit	0	USD
CY2018	hfwa	Recognized Tax Benefit RecognizedTaxBenefit	0	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	949000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	542000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-84000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6610000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13488000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11238000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	15883000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	7389000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2988000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3058000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	642000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	904000	USD
CY2020Q4	hfwa	Deferred Tax Assets Market Discounton Loans DeferredTaxAssetsMarketDiscountonLoans	1062000	USD
CY2019Q4	hfwa	Deferred Tax Assets Market Discounton Loans DeferredTaxAssetsMarketDiscountonLoans	621000	USD
CY2020Q4	hfwa	Deferred Tax Assets Foregone Intereston Nonaccrual Loans DeferredTaxAssetsForegoneInterestonNonaccrualLoans	1456000	USD
CY2019Q4	hfwa	Deferred Tax Assets Foregone Intereston Nonaccrual Loans DeferredTaxAssetsForegoneInterestonNonaccrualLoans	914000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	207000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	228000	USD
CY2020Q4	hfwa	Deferred Tax Assets Rightof Use Liability DeferredTaxAssetsRightofUseLiability	4161000	USD
CY2019Q4	hfwa	Deferred Tax Assets Rightof Use Liability DeferredTaxAssetsRightofUseLiability	5227000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	160000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	134000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	26559000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	18475000	USD
CY2020Q4	hfwa	Deferred Tax Liabilities Deferred Loan Fees DeferredTaxLiabilitiesDeferredLoanFees	2643000	USD
CY2019Q4	hfwa	Deferred Tax Liabilities Deferred Loan Fees DeferredTaxLiabilitiesDeferredLoanFees	3328000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2680000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2510000	USD
CY2020Q4	hfwa	Deferred Tax Liabilities Fhl Band Frb Stock DeferredTaxLiabilitiesFHLBandFRBStock	569000	USD
CY2019Q4	hfwa	Deferred Tax Liabilities Fhl Band Frb Stock DeferredTaxLiabilitiesFHLBandFRBStock	569000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	2186000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	2807000	USD
CY2020Q4	hfwa	Deferred Tax Liabilities Tax Credits DeferredTaxLiabilitiesTaxCredits	2048000	USD
CY2019Q4	hfwa	Deferred Tax Liabilities Tax Credits DeferredTaxLiabilitiesTaxCredits	1781000	USD
CY2020Q4	hfwa	Deferred Tax Liabilities Business Combination Junior Subordinated Debentures DeferredTaxLiabilitiesBusinessCombinationJuniorSubordinatedDebentures	1050000	USD
CY2019Q4	hfwa	Deferred Tax Liabilities Business Combination Junior Subordinated Debentures DeferredTaxLiabilitiesBusinessCombinationJuniorSubordinatedDebentures	1113000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	264000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	239000	USD
CY2020Q4	hfwa	Deferred Tax Liabilities Rightof Use Asset DeferredTaxLiabilitiesRightofUseAsset	3879000	USD
CY2019Q4	hfwa	Deferred Tax Liabilities Rightof Use Asset DeferredTaxLiabilitiesRightofUseAsset	4956000	USD
CY2020Q4	hfwa	Deferred Tax Liabilities Net Unrealized Gains Chargedto Other Comprehensive Incomeon Securities DeferredTaxLiabilitiesNetUnrealizedGainsChargedtoOtherComprehensiveIncomeonSecurities	6805000	USD
CY2019Q4	hfwa	Deferred Tax Liabilities Net Unrealized Gains Chargedto Other Comprehensive Incomeon Securities DeferredTaxLiabilitiesNetUnrealizedGainsChargedtoOtherComprehensiveIncomeonSecurities	2753000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	22124000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	20056000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	4435000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1581000	USD
CY2020Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	986000	USD
CY2019Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	1100000	USD
CY2020Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	0	USD
CY2020Q4	us-gaap	Bad Debt Reserve For Tax Purposes Of Qualified Lender BadDebtReserveForTaxPurposesOfQualifiedLender	2800000	USD
CY2020Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	588000	USD
CY2020Q4	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	203314000	USD
CY2020Q4	hfwa	Common Equity Tier One Capital Requiredfor Capital Adequacyto Average Assets CommonEquityTierOneCapitalRequiredforCapitalAdequacytoAverageAssets	0.045
CY2020Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	555644000	USD
CY2020Q4	hfwa	Common Equity Tier One Capitalto Average Assets CommonEquityTierOneCapitaltoAverageAssets	0.123
CY2020Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	256216000	USD
CY2020Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.040
CY2020Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	576531000	USD
CY2020Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.090
CY2020Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	271086000	USD
CY2020Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.060
CY2020Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	576531000	USD
CY2020Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.128
CY2020Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	361448000	USD
CY2020Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.080
CY2020Q4	us-gaap	Capital Capital	633061000	USD
CY2020Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.140
CY2019Q4	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	211110000	USD
CY2019Q4	hfwa	Common Equity Tier One Capital Requiredfor Capital Adequacyto Average Assets CommonEquityTierOneCapitalRequiredforCapitalAdequacytoAverageAssets	0.045
CY2019Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	541154000	USD
CY2019Q4	hfwa	Common Equity Tier One Capitalto Average Assets CommonEquityTierOneCapitaltoAverageAssets	0.115
CY2019Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	212578000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.040
CY2019Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	561749000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.106
CY2019Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	281479000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.060
CY2019Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	561749000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.120
CY2019Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	375306000	USD
CY2019Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.080
CY2019Q4	us-gaap	Capital Capital	598226000	USD
CY2019Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.128
CY2020Q4	hfwa	Capital Conservation Buffer Company CapitalConservationBufferCompany	0.060
CY2020Q4	hfwa	Capital Conservation Buffer Bank CapitalConservationBufferBank	0.057
CY2020Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	53086000	USD
CY2020Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	53994000	USD
CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	52563000	USD
CY2020Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	54677000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	4535000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	3681000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	2885000	USD
CY2020Q4	us-gaap	Interest Expense InterestExpense	2222000	USD
CY2020Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	48551000	USD
CY2020Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	50313000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49678000	USD
CY2020Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	52455000	USD
CY2020Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7946000	USD
CY2020Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	28563000	USD
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2730000	USD
CY2020Q4	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-3133000	USD
CY2020Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	40605000	USD
CY2020Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	21750000	USD
CY2020Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	46948000	USD
CY2020Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	55588000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	12191000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6139000	USD
CY2020Q1	us-gaap	Noninterest Income NoninterestIncome	9486000	USD
CY2020Q2	us-gaap	Noninterest Income NoninterestIncome	8248000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	8210000	USD
CY2020Q4	us-gaap	Noninterest Income NoninterestIncome	11285000	USD
CY2020Q1	us-gaap	Noninterest Expense NoninterestExpense	37260000	USD
CY2020Q2	us-gaap	Noninterest Expense NoninterestExpense	37073000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	36045000	USD
CY2020Q4	us-gaap	Noninterest Expense NoninterestExpense	38562000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	12831000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-7075000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19113000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	28311000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	640000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-936000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2477000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4429000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	16636000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	23882000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.17
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.34
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.17
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	53807000	USD
CY2019Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	55216000	USD
CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	54884000	USD
CY2019Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	53943000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	4019000	USD
CY2019Q2	us-gaap	Interest Expense InterestExpense	4680000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	4641000	USD
CY2019Q4	us-gaap	Interest Expense InterestExpense	4828000	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49788000	USD
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	50536000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	50243000	USD
CY2019Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49115000	USD
CY2019Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	920000	USD
CY2019Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1367000	USD
CY2019Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	466000	USD
CY2019Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1558000	USD
CY2019Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	48868000	USD
CY2019Q1	us-gaap	Noninterest Income NoninterestIncome	7429000	USD
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2019Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	49169000	USD
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	49777000	USD
CY2019Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	47557000	USD
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	7564000	USD
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	8458000	USD
CY2019Q4	us-gaap	Noninterest Income NoninterestIncome	9011000	USD
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	36525000	USD
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	37547000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	36719000	USD
CY2019Q4	us-gaap	Noninterest Expense NoninterestExpense	35997000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19772000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19186000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21516000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	20571000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3220000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3202000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3621000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.47
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3445000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	16552000	USD
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	15984000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	17895000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	17126000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.43
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.29

Files In Submission

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0001046025-21-000012-index-headers.html	Edgar Link	pending
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$HFWA
HERITAGE FINANCIAL CORP /WA/ Stock $hfwa

2020 Q4 Form 10-K Financial Statement

#000104602521000012 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HFWA HERITAGE FINANCIAL CORP /WA/ Stock $hfwa

2020 Q4 Form 10-K Financial Statement

#000104602521000012 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HFWA
HERITAGE FINANCIAL CORP /WA/ Stock $hfwa