XML 16 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2020
Feb. 28, 2021
Jun. 30, 2020
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2020    
Entity File Number 001-36388    
Entity Registrant Name Peoples Financial Services Corp.    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Public Float     $ 280,041,771
Entity Incorporation, State or Country Code PA    
Entity Tax Identification Number 23-2391852    
Entity Address, Address Line One 150 North Washington Avenue    
Entity Address, City or Town Scranton    
Entity Address, State or Province PA    
Entity Address, Postal Zip Code 18503    
City Area Code 570    
Local Phone Number 346-7741    
Title of 12(b) Security Common stock, $2.00 par value    
Trading Symbol PFIS    
Security Exchange Name NASDAQ    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
ICFR Auditor Attestation Flag true    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   7,203,101  
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001056943    
Amendment Flag false