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Submission
Nov. 14, 2025
Submission [Line Items]  
Central Index Key 0001046025
Registrant Name HERITAGE FINANCIAL CORP /WA/
Form Type S-4
Submission Type S-4
Fee Exhibit Type EX-FILING FEES
Offering Table N/A
Offset Table N/A N/A
Combined Prospectus Table N/A N/A