v3.26.1
Document and Entity Information
Apr. 30, 2026
Document and Entity Information [Abstract]  
Document Type 8-K
Document Period End Date Apr. 30, 2026
Entity File Number 001-36388
Entity Registrant Name PEOPLES FINANCIAL SERVICES CORP.
Entity Incorporation, State or Country Code PA
Entity Tax Identification Number 23-2391852
Entity Address, Address Line One 30 E D Preate Drive
Entity Address, City or Town Moosic
Entity Address, State or Province PA
Entity Address, Postal Zip Code 18507
City Area Code 570
Local Phone Number 346-7741
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, $2.00 par value
Trading Symbol PFIS
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001056943
Amendment Flag false