$HFWA
HERITAGE FINANCIAL CORP /WA/ Stock $hfwa

$hfwa Overview Financials Valuation SEC Filings Company Website

2019 Q3 Form 10-Q Financial Statement

#000104602519000170 Filed on November 06, 2019

Income Statement

Concept	2019 Q3	2019 Q2	2018 Q3
Revenue	$54.88M	$55.22M	$54.61M
YoY Change	0.51%	18.31%	46.49%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$2.333M	$2.109M	$2.343M
YoY Change	-0.43%	-15.88%	12.11%
% of Gross Profit
Depreciation & Amortization	$180.0K	$3.050M	$3.520M
YoY Change	-94.89%	-7.58%	18.12%
% of Gross Profit
Operating Expenses	$2.333M	$2.109M	$2.343M
YoY Change	-0.43%	-15.88%	12.11%
Operating Profit
YoY Change
Interest Expense	$4.641M	$4.680M	$3.480M
YoY Change	33.36%	59.84%	49.16%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$21.52M	$19.19M	$18.65M
YoY Change	15.37%	38.43%	28.21%
Income Tax	$3.621M	$3.202M	$3.146M
% Of Pretax Income	16.83%	16.69%	16.87%
Net Earnings	$17.90M	$15.98M	$15.50M
YoY Change	15.42%	34.81%	45.93%
Net Earnings / Revenue	32.61%	28.95%	28.39%
Basic Earnings Per Share	$0.49	$0.43	$0.42
Diluted Earnings Per Share	$0.48	$0.43	$0.42
COMMON SHARES
Basic Shares Outstanding	36.74M shares	36.87M shares	36.77M shares
Diluted Shares Outstanding	36.88M shares	37.01M shares	36.96M shares

Balance Sheet

Concept	2019 Q3	2019 Q2	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$237.0M	$139.3M	$170.1M
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	$86.56M	$84.30M	$80.44M
YoY Change	7.61%	11.85%	33.05%
Goodwill	$240.9M	$240.9M	$240.8M
YoY Change	0.04%	28.47%	102.33%
Intangibles	$17.59M	$18.56M	$21.73M
YoY Change	-19.05%	17.73%	239.08%
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	$5.515B	$5.377B	$5.276B
YoY Change	4.53%	12.26%	30.28%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$102.4M	$98.10M	$79.50M
YoY Change	28.81%	55.22%	42.99%
Deferred Revenue
YoY Change
Short-Term Debt	$25.90M	$23.10M	$32.20M
YoY Change	-19.57%	4.05%	12.2%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$102.4M	$98.10M	$79.50M
YoY Change	28.81%	55.22%	42.99%
LONG-TERM LIABILITIES
Long-Term Debt	$20.50M	$20.40M	$20.20M
YoY Change	1.49%	0.99%	1.51%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$20.50M	$20.40M	$20.20M
YoY Change	1.49%	0.99%	1.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$102.4M	$98.10M	$79.50M
Total Long-Term Liabilities	$20.50M	$20.40M	$20.20M
Total Liabilities	$4.711B	$4.580B	$4.530B
YoY Change	4.0%	10.36%	27.88%
SHAREHOLDERS EQUITY
Retained Earnings	$206.0M	$195.2M	$169.8M
YoY Change	21.36%	22.13%	16.53%
Common Stock	$585.6M	$591.7M	$591.1M
YoY Change	-0.93%	20.5%	64.13%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$804.1M	$796.6M	$746.1M
YoY Change
Total Liabilities & Shareholders Equity	$5.515B	$5.377B	$5.276B
YoY Change	4.53%	12.26%	30.28%

Cashflow Statement

Concept	2019 Q3	2019 Q2	2018 Q3
OPERATING ACTIVITIES
Net Income	$17.90M	$15.98M	$15.50M
YoY Change	15.42%	34.81%	45.93%
Depreciation, Depletion And Amortization	$180.0K	$3.050M	$3.520M
YoY Change	-94.89%	-7.58%	18.12%
Cash From Operating Activities	$19.81M	$15.78M	$25.69M
YoY Change	-22.89%	-23.4%	162.68%
INVESTING ACTIVITIES
Capital Expenditures	-$4.160M	-$5.340M	-$4.810M
YoY Change	-13.51%	-63.2%	472.62%
Acquisitions
YoY Change
Other Investing Activities	-$30.61M	$7.260M	-$3.770M
YoY Change	711.94%	-106.84%	-93.87%
Cash From Investing Activities	-$34.76M	$1.910M	-$8.570M
YoY Change	305.6%	-101.58%	-86.26%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	112.6M	10.43M	23.09M
YoY Change	387.79%	-89.54%	-41.74%
NET CHANGE
Cash From Operating Activities	19.81M	15.78M	25.69M
Cash From Investing Activities	-34.76M	1.910M	-8.570M
Cash From Financing Activities	112.6M	10.43M	23.09M
Net Change In Cash	97.68M	28.12M	40.21M
YoY Change	142.92%	-7911.11%	-410.02%
FREE CASH FLOW
Cash From Operating Activities	$19.81M	$15.78M	$25.69M
Capital Expenditures	-$4.160M	-$5.340M	-$4.810M
Free Cash Flow	$23.97M	$21.12M	$30.50M
YoY Change	-21.41%	-39.85%	187.19%

Facts In Submission

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	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
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	dei	Local Phone Number LocalPhoneNumber	943-1500
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	dei	Entity File Number EntityFileNumber	000-29480
	dei	Entity Registrant Name EntityRegistrantName	HERITAGE FINANCIAL CORP
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	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	91-1857900
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	dei	Trading Symbol TradingSymbol	HFWA
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	329000	USD
	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	135000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	993000	USD
CY2018Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	706000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1613000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	2286000	USD
CY2019Q3	hfwa	Interest Rate Swap Fee Income InterestRateSwapFeeIncome	152000	USD
CY2018Q3	hfwa	Interest Rate Swap Fee Income InterestRateSwapFeeIncome	0	USD
	hfwa	Interest Rate Swap Fee Income InterestRateSwapFeeIncome	313000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	7087000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	6330000	USD
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	8458000	USD
CY2018Q3	us-gaap	Noninterest Income NoninterestIncome	8050000	USD
	us-gaap	Noninterest Income NoninterestIncome	23451000	USD
	us-gaap	Noninterest Income NoninterestIncome	23173000	USD
CY2019Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	21733000	USD
CY2018Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	23804000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	65629000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	64492000	USD
CY2019Q3	us-gaap	Occupancy Net OccupancyNet	5268000	USD
CY2018Q3	us-gaap	Occupancy Net OccupancyNet	5020000	USD
	us-gaap	Marketing Expense MarketingExpense	2507000	USD
	us-gaap	Occupancy Net OccupancyNet	16177000	USD
	us-gaap	Occupancy Net OccupancyNet	14457000	USD
CY2019Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	2333000	USD
CY2019Q3	us-gaap	Professional Fees ProfessionalFees	1434000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	975000	USD
CY2018Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	2343000	USD
CY2018Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1114000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3026000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	6615000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7455000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2705000	USD
CY2019Q3	us-gaap	Marketing Expense MarketingExpense	816000	USD
CY2019Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2816000	USD
CY2018Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2997000	USD
CY2018Q3	us-gaap	Marketing Expense MarketingExpense	876000	USD
	us-gaap	Marketing Expense MarketingExpense	3020000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8375000	USD
CY2018Q3	us-gaap	Professional Fees ProfessionalFees	2119000	USD
	us-gaap	Professional Fees ProfessionalFees	3912000	USD
	us-gaap	Professional Fees ProfessionalFees	8485000	USD
CY2019Q3	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1370000	USD
CY2018Q3	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	795000	USD
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2977000	USD
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2199000	USD
CY2019Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	9000	USD
CY2018Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	375000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	720000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1105000	USD
CY2019Q3	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	35000	USD
CY2018Q3	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	18000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	340000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	18000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8491000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	36719000	USD
CY2018Q3	us-gaap	Noninterest Expense NoninterestExpense	39461000	USD
	us-gaap	Noninterest Expense NoninterestExpense	110791000	USD
	us-gaap	Noninterest Expense NoninterestExpense	111914000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21516000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	18650000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	60474000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	42996000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3621000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3146000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10043000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6548000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	17895000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15504000	USD
	us-gaap	Net Income Loss NetIncomeLoss	50431000	USD
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	70411000	USD
	us-gaap	Net Income Loss NetIncomeLoss	36448000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.04
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.36
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.04
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.55
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	17895000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15504000	USD
	us-gaap	Net Income Loss NetIncomeLoss	50431000	USD
	us-gaap	Net Income Loss NetIncomeLoss	36448000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2771000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3384000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	19980000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-13299000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20666000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12120000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	23149000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	796625000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	830000	USD
CY2019Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	6954000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	17895000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2771000	USD
CY2019Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	7042000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	760723000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	-399000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	44000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	2366000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	8635000	USD
	us-gaap	Net Income Loss NetIncomeLoss	50431000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	19980000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20383000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	804127000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	639523000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15796000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	746133000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	709000	USD
CY2018Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	14000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15504000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3384000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	99273000	USD
CY2018Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5549000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	746133000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	508305000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	2016000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1702000	USD
	us-gaap	Net Income Loss NetIncomeLoss	36448000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-13299000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	230043000	USD
	us-gaap	Net Income Loss NetIncomeLoss	50431000	USD
	us-gaap	Net Income Loss NetIncomeLoss	36448000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6220000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	7538000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-1122000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	38000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2753000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3967000	USD
	hfwa	Net Change In Accrued Interest Receivable Prepaid Expenses And Other Assets Accrued Expenses And Other Liabilities NetChangeInAccruedInterestReceivablePrepaidExpensesAndOtherAssetsAccruedExpensesAndOtherLiabilities	303000	USD
	hfwa	Net Change In Accrued Interest Receivable Prepaid Expenses And Other Assets Accrued Expenses And Other Liabilities NetChangeInAccruedInterestReceivablePrepaidExpensesAndOtherAssetsAccruedExpensesAndOtherLiabilities	4231000	USD
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	2366000	USD
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	2016000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3026000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2705000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	45852000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	60994000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	43544000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	63330000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1578000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1079000	USD
	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	-51000	USD
	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	0	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	1613000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	156946000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	135000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10526000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	55427000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	82879000	USD
	hfwa	Gain Lossof Assets Heldfor Sale GainLossofAssetsHeldforSale	0	USD
	hfwa	Gain Lossof Assets Heldfor Sale GainLossofAssetsHeldforSale	-382000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2286000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	329000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	75000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	117000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	93047000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	145778000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	64625000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	156501000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	262429000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	43872000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	14000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-31000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	60774000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21468000	USD
	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	3562000	USD
	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	9993000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	864000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	198000	USD
	hfwa	Proceedsfrom Saleof Assets Heldfor Sale ProceedsfromSaleofAssetsHeldforSale	0	USD
	hfwa	Proceedsfrom Saleof Assets Heldfor Sale ProceedsfromSaleofAssetsHeldforSale	603000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-18032000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-26010000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	18333000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	21996000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	35000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	26000	USD
	hfwa	Purchasebankownedlifeinsurance Purchasebankownedlifeinsurance	8000000	USD
	hfwa	Purchasebankownedlifeinsurance Purchasebankownedlifeinsurance	0	USD
	hfwa	Changeinlowincometaxhousingtaxcreditpartnership Changeinlowincometaxhousingtaxcreditpartnership	-16992000	USD
	hfwa	Changeinlowincometaxhousingtaxcreditpartnership Changeinlowincometaxhousingtaxcreditpartnership	-8269000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	105974000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-81088000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42834000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	129855000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	180465000	USD
	us-gaap	Increase Decrease In Loans To Federal Home Loan Banks IncreaseDecreaseInLoansToFederalHomeLoanBanks	-445800000	USD
	us-gaap	Increase Decrease In Loans To Federal Home Loan Banks IncreaseDecreaseInLoansToFederalHomeLoanBanks	-541450000	USD
	us-gaap	Repayments Of Debt RepaymentsOfDebt	445800000	USD
	us-gaap	Repayments Of Debt RepaymentsOfDebt	649950000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	15796000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	67128000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	161910000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	103015000	USD
	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	5604000	USD
	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	50000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	44000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	118000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8635000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1702000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	95372000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	54535000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	75058000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	236968000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	170143000	USD
	us-gaap	Interest Paid Net InterestPaidNet	13099000	USD
	us-gaap	Interest Paid Net InterestPaidNet	8497000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7098000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	4647000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	434000	USD
	hfwa	Transferof Propertyand Equipmentto Prepaid Expensesand Other Assets Heldforsale TransferofPropertyandEquipmenttoPrepaidExpensesandOtherAssetsHeldforsale	1533000	USD
	hfwa	Transferof Propertyand Equipmentto Prepaid Expensesand Other Assets Heldforsale TransferofPropertyandEquipmenttoPrepaidExpensesandOtherAssetsHeldforsale	1835000	USD
	hfwa	Investmentinlowincomehousingtaxpartnership Investmentinlowincomehousingtaxpartnership	15254000	USD
	hfwa	Investmentinlowincomehousingtaxpartnership Investmentinlowincomehousingtaxpartnership	0	USD
	hfwa	Purchaseofinvestmentsecuritiesavailableforsalenotsettled Purchaseofinvestmentsecuritiesavailableforsalenotsettled	0	USD
	hfwa	Purchaseofinvestmentsecuritiesavailableforsalenotsettled Purchaseofinvestmentsecuritiesavailableforsalenotsettled	5454000	USD
	hfwa	Transferof Bank Owned Life Insurance To Prepaid Expenses And Other Assets TransferofBankOwnedLifeInsuranceToPrepaidExpensesAndOtherAssets	209000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	230043000	USD
	hfwa	Noncash Or Part Noncash Acquisition Investment Available For Sale NoncashOrPartNoncashAcquisitionInvestmentAvailableForSale	0	USD
	hfwa	Noncash Or Part Noncash Acquisition Investment Available For Sale NoncashOrPartNoncashAcquisitionInvestmentAvailableForSale	84846000	USD
	hfwa	Noncash Or Part Noncash Acquisition Purchased Non Covered Loans Receivable NoncashOrPartNoncashAcquisitionPurchasedNonCoveredLoansReceivable	0	USD
	hfwa	Noncash Or Part Noncash Acquisition Purchased Non Covered Loans Receivable NoncashOrPartNoncashAcquisitionPurchasedNonCoveredLoansReceivable	718547000	USD
	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	1796000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	3785000	USD
	hfwa	Noncash Or Part Noncash Acquisition Accounts Fhlb Stock Acquired NoncashOrPartNoncashAcquisitionAccountsFhlbStockAcquired	0	USD
	hfwa	Noncash Or Part Noncash Acquisition Accounts Fhlb Stock Acquired NoncashOrPartNoncashAcquisitionAccountsFhlbStockAcquired	1743000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	2454000	USD
	hfwa	Noncashor Part Noncash Bank Owned Life Insuranceacquired NoncashorPartNoncashBankOwnedLifeInsuranceacquired	0	USD
	hfwa	Noncashor Part Noncash Bank Owned Life Insuranceacquired NoncashorPartNoncashBankOwnedLifeInsuranceacquired	17116000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	3182000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	18345000	USD
	hfwa	Noncash Or Part Noncash Acquisition Deposits Liability NoncashOrPartNoncashAcquisitionDepositsLiability	0	USD
	hfwa	Noncash Or Part Noncash Acquisition Deposits Liability NoncashOrPartNoncashAcquisitionDepositsLiability	824602000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	16000000	USD
	hfwa	Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase	0	USD
	hfwa	Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase Noncashorpartnoncashacquisitionsecuritiessoldunderagreementstorepurchase	462000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	8489000	USD
	us-gaap	Nature Of Operations NatureOfOperations	Description of Business<div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:48px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Heritage Financial Corporation is a bank holding company that was incorporated in the State of Washington in August 1997. The Company is primarily engaged in the business of planning, directing and coordinating the business activities of its wholly-owned subsidiary, Heritage Bank. The Bank is a Washington-chartered commercial bank and its deposits are insured by the FDIC. The Bank is headquartered in Olympia, Washington and conducts business from its </span><span style="font-family:Arial;font-size:10pt;"><span>62</span></span><span style="font-family:Arial;font-size:10pt;"> branch offices as of </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;"> located throughout Washington State and the greater Portland, Oregon area. The Bank’s business consists primarily of commercial lending and deposit relationships with small businesses and their owners in its market areas and attracting deposits from the general public. The Bank also makes real estate construction and land development loans, consumer loans and originates first mortgage loans on residential properties primarily located in its market areas.</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:48px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Effective January 16, 2018, the Company completed the Puget Sound Merger and on July 2, 2018, the Company completed the Premier Merger, collectively called the "Premier and Puget Mergers." See Note (2) Business Combinations for additional information on the Premier and Puget Mergers.</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><br/></span></div>
CY2019Q3	hfwa	Capitalization Threshold Policy Contractual Lease Payments CapitalizationThresholdPolicyContractualLeasePayments	25000	USD
CY2019Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	-399000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	49942000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	143740000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	18950000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	50225000	USD
CY2018Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	510
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1360
CY2018Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	510
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1350
CY2019Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	950230000	USD
CY2019Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	16999000	USD
CY2019Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1127000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	966102000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	985541000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3285000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	12731000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	976095000	USD
CY2019Q3	us-gaap	Trading Securities TradingSecurities	0	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	37675000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	37742000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	194742000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	197144000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	275903000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	966102000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	86463000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	300000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	97840000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	827000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	184303000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1127000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	202036000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	823000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	432404000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	11908000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	634440000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	12731000	USD
CY2019Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2018Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	145000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	267000	USD
CY2018Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	63000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	132000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	281000	USD
CY2018Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	82000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	329000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	135000	USD
CY2019Q3	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	249259000	USD
CY2019Q3	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	253294000	USD
CY2018Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	267977000	USD
CY2018Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	264675000	USD
	hfwa	Number Of Loan Segments NumberOfLoanSegments	4	segment
CY2019Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3728957000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3650651000	USD
CY2019Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	2386000	USD
CY2018Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	3509000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3731343000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3654160000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36518000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	35042000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3694825000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3619118000	USD
CY2019Q3	hfwa	Concentration Risk Percentage Greater Than Ten Percent ConcentrationRiskPercentageGreaterThanTenPercent	0
	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	0.10
CY2019Q3	hfwa	Financing Receivables Pass Rated FinancingReceivablesPassRated	3586925000	USD
CY2019Q3	hfwa	Financing Receivables Oaem Rated FinancingReceivablesOaemRated	51306000	USD
CY2019Q3	hfwa	Financing Receivables Substandard Rated FinancingReceivablesSubstandardRated	90202000	USD
CY2019Q3	hfwa	Financing Receivables Doubtful Rated FinancingReceivablesDoubtfulRated	524000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3728957000	USD
CY2018Q4	hfwa	Financing Receivables Pass Rated FinancingReceivablesPassRated	3518105000	USD
CY2018Q4	hfwa	Financing Receivables Oaem Rated FinancingReceivablesOaemRated	53640000	USD
CY2018Q4	hfwa	Financing Receivables Substandard Rated FinancingReceivablesSubstandardRated	78382000	USD
CY2018Q4	hfwa	Financing Receivables Doubtful Rated FinancingReceivablesDoubtfulRated	524000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3650651000	USD
CY2019Q3	hfwa	Potential Problem Loans Receivable PotentialProblemLoansReceivable	85300000	USD
CY2018Q4	hfwa	Potential Problem Loans Receivable PotentialProblemLoansReceivable	101300000	USD
CY2019Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	41511000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	13703000	USD
CY2019Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	13625000	USD
CY2019Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	3715332000	USD
CY2019Q3	hfwa	Gross Loanand Lease Receivablenetof Pci Loans GrossLoanandLeaseReceivablenetofPCILoans	3728957000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	16934000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	3633717000	USD
CY2018Q4	hfwa	Gross Loanand Lease Receivablenetof Pci Loans GrossLoanandLeaseReceivablenetofPCILoans	3650651000	USD
CY2019Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2019Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	35084000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	24154000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	59238000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	61221000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2853000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	7590000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	28849000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	36439000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	39233000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	4170000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	52227000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	40814000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	44586000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	40251000	USD
CY2019Q3	hfwa	Financing Receivable Modifications Accruing Recorded Investment FinancingReceivableModificationsAccruingRecordedInvestment	19416000	USD
CY2019Q3	hfwa	Financing Receivable Modifications Non Accruing Recorded Investment FinancingReceivableModificationsNonAccruingRecordedInvestment	17529000	USD
CY2018Q4	hfwa	Financing Receivable Modifications Accruing Recorded Investment FinancingReceivableModificationsAccruingRecordedInvestment	22736000	USD
CY2018Q4	hfwa	Financing Receivable Modifications Non Accruing Recorded Investment FinancingReceivableModificationsNonAccruingRecordedInvestment	6943000	USD
CY2019Q3	hfwa	Allowancefor Loan Losseson Financing Receivable Modifications Accruing Recorded Investment AllowanceforLoanLossesonFinancingReceivableModificationsAccruingRecordedInvestment	1850000	USD
CY2019Q3	hfwa	Allowancefor Loan Losseson Financing Receivable Modifications Non Accruing Recorded Investment AllowanceforLoanLossesonFinancingReceivableModificationsNonAccruingRecordedInvestment	494000	USD
CY2018Q4	hfwa	Allowancefor Loan Losseson Financing Receivable Modifications Accruing Recorded Investment AllowanceforLoanLossesonFinancingReceivableModificationsAccruingRecordedInvestment	2257000	USD
CY2018Q4	hfwa	Allowancefor Loan Losseson Financing Receivable Modifications Non Accruing Recorded Investment AllowanceforLoanLossesonFinancingReceivableModificationsNonAccruingRecordedInvestment	658000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	2000000.0	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	943000	USD
CY2019Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	7	contract
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	17	contract
CY2018Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	9	contract
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	15	contract
CY2019Q3	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	23143000	USD
CY2019Q3	hfwa	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmount	21068000	USD
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	28461000	USD
CY2018Q4	hfwa	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmount	24907000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36363000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	822000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	511000	USD
CY2019Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	466000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36518000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	35042000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2881000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1604000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2753000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36518000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2853000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	31264000	USD
CY2019Q3	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	2401000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	36518000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	59238000	USD
CY2019Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3648651000	USD
CY2019Q3	hfwa	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmount	21068000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3728957000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	33972000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	845000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	283000	USD
CY2018Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1065000	USD
CY2018Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	34475000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	32086000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2662000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1084000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3967000	USD
CY2018Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	34475000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	4170000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	27854000	USD
CY2018Q4	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	3018000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	35042000	USD
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	36439000	USD
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3589305000	USD
CY2018Q4	hfwa	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmount	24907000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3650651000	USD
CY2019Q2	us-gaap	Other Real Estate OtherRealEstate	1224000	USD
CY2018Q2	us-gaap	Other Real Estate OtherRealEstate	434000	USD
CY2018Q4	us-gaap	Other Real Estate OtherRealEstate	1983000	USD
CY2017Q4	us-gaap	Other Real Estate OtherRealEstate	0	USD
CY2019Q3	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	0	USD
CY2018Q3	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	0	USD
	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	0	USD
	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	434000	USD
CY2019Q3	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
CY2018Q3	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	1796000	USD
CY2019Q3	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	0	USD
	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
	hfwa	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	1796000	USD
CY2019Q3	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	435000	USD
CY2018Q3	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	198000	USD
	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	864000	USD
	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	198000	USD
CY2019Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	52000	USD
CY2018Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-227000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
CY2018Q3	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	0	USD
	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	-51000	USD
	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	0	USD
CY2019Q3	us-gaap	Other Real Estate OtherRealEstate	841000	USD
CY2018Q3	us-gaap	Other Real Estate OtherRealEstate	2032000	USD
CY2019Q3	us-gaap	Other Real Estate OtherRealEstate	841000	USD
CY2018Q3	us-gaap	Other Real Estate OtherRealEstate	2032000	USD
CY2019Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	0	USD
CY2019Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	0	USD
CY2019Q2	us-gaap	Goodwill Goodwill	240939000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	187549000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	240939000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	119029000	USD
CY2019Q3	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2018Q3	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	53288000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	121808000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	240939000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	240837000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	240939000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	240837000	USD
CY2019Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	18563000	USD
CY2018Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	15767000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	20614000	USD
CY2017Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	6088000	USD
CY2019Q3	hfwa	Intangible Assets Acquired IntangibleAssetsAcquired	0	USD
CY2018Q3	hfwa	Intangible Assets Acquired IntangibleAssetsAcquired	7075000	USD
	hfwa	Intangible Assets Acquired IntangibleAssetsAcquired	0	USD
	hfwa	Intangible Assets Acquired IntangibleAssetsAcquired	18345000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	975000	USD
CY2018Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1114000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3026000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2705000	USD
CY2019Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	17588000	USD
CY2018Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	21728000	USD
CY2019Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	17588000	USD
CY2018Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	21728000	USD
CY2019Q3	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	20500000	USD
CY2018Q4	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	20300000	USD
CY2019Q3	hfwa	Adjustablerateoftrustpreferredsecurities Adjustablerateoftrustpreferredsecurities	0.0365
	hfwa	Repurchase Agreements Maturity Period RepurchaseAgreementsMaturityPeriod	P1D
	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:48px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">The following table presents the Company's securities sold under agreement to repurchase obligations by class of collateral pledged at the dates indicated:</span></div><div style="line-height:120%;padding-top:6px;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"/></tr><tr><td style="width:73%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">September 30, 2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">December 31, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">U.S. Treasury and U.S. Government-sponsored agencies</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>6,912</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>4,878</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:24px;text-indent:-24px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Mortgage-backed securities and collateralized mortgage obligations: </span><span style="font-family:Arial;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:6pt">(1)</sup></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-18px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Residential</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>10,254</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>9,335</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-18px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Commercial</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>8,717</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>17,274</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Total securities sold under agreement to repurchase</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>25,883</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>31,487</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:120%;padding-left:60px;text-indent:-12px;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;"><sup style="vertical-align:top;line-height:120%;font-size:6pt">(1)</sup></span><span style="font-family:Arial;font-size:9pt;"> Issued and guaranteed by U.S. Government-sponsored agencies.</span></div>
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	25883000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	31487000	USD
CY2019Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	930600000	USD
CY2019Q3	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	0	USD
CY2019Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	3755000	USD
CY2018Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	20892000	USD
	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	15909000	USD
	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	45194000	USD
CY2019Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0116
CY2018Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0222
	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0256
	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0198
	hfwa	Advance Line Maintainedto Purchase Federal Funds AdvanceLineMaintainedtoPurchaseFederalFunds	140000000.0	USD
CY2019Q3	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	USD
CY2019Q3	hfwa	Dividends And Undistributed Earnings DividendsAndUndistributedEarnings	10000	USD
CY2018Q3	hfwa	Dividends And Undistributed Earnings DividendsAndUndistributedEarnings	48000	USD
	hfwa	Dividends And Undistributed Earnings DividendsAndUndistributedEarnings	48000	USD
	hfwa	Dividends And Undistributed Earnings DividendsAndUndistributedEarnings	252000	USD
CY2019Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	17885000	USD
CY2018Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	15456000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	50383000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	36196000	USD
CY2019Q3	hfwa	Gross Weighted Average Number Of Shares Outstanding Basic GrossWeightedAverageNumberOfSharesOutstandingBasic	36764810	shares
CY2018Q3	hfwa	Gross Weighted Average Number Of Shares Outstanding Basic GrossWeightedAverageNumberOfSharesOutstandingBasic	36839615	shares
	hfwa	Gross Weighted Average Number Of Shares Outstanding Basic GrossWeightedAverageNumberOfSharesOutstandingBasic	36846884	shares
	hfwa	Gross Weighted Average Number Of Shares Outstanding Basic GrossWeightedAverageNumberOfSharesOutstandingBasic	34744788	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	21948	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	67669	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	34336	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	94340	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36742862	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36771946	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36812548	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34650448	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36742862	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36771946	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36812548	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34650448	shares
CY2018Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	191298	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	170154	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36876548	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36963244	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36973024	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34820602	shares
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	108501	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	70372	shares
CY2018Q3	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	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
CY2018Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2018-11-21
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
CY2019Q3	hfwa	Business Combination Shares Issuedin Mergerbut Forfeitedto Pay Taxes BusinessCombinationSharesIssuedinMergerbutForfeitedtoPayTaxes	26741	shares
CY2019Q3	us-gaap	Business Acquisition Share Price BusinessAcquisitionSharePrice	31.80
	hfwa	Fair Value Assets Transfers Between Level1and Level2 Transfers Amount FairValueAssetsTransfersBetweenLevel1andLevel2TransfersAmount	0	USD
CY2019Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	16200000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9200000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	26600000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	27900000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M17D
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0331

Files In Submission

Name	View Source	Status
0001046025-19-000170-index-headers.html	Edgar Link	pending
0001046025-19-000170-index.html	Edgar Link	pending
0001046025-19-000170.txt	Edgar Link	pending
0001046025-19-000170-xbrl.zip	Edgar Link	pending
ex-101510q093019.htm	Edgar Link	pending
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ex-32110q093019.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
hfwa-20190930.xsd	Edgar Link	pending
hfwa-2019093010q.htm	Edgar Link	pending
hfwa-2019093010q_htm.xml	Edgar Link	completed
hfwa-20190930_cal.xml	Edgar Link	unprocessable
hfwa-20190930_def.xml	Edgar Link	unprocessable
hfwa-20190930_lab.xml	Edgar Link	unprocessable
hfwa-20190930_pre.xml	Edgar Link	unprocessable
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$HFWA
HERITAGE FINANCIAL CORP /WA/ Stock $hfwa

2019 Q3 Form 10-Q Financial Statement

#000104602519000170 Filed on November 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HFWA HERITAGE FINANCIAL CORP /WA/ Stock $hfwa

2019 Q3 Form 10-Q Financial Statement

#000104602519000170 Filed on November 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HFWA
HERITAGE FINANCIAL CORP /WA/ Stock $hfwa