v3.25.2
Cover
Jul. 29, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 29, 2025
Entity File Number 0-11204
Entity Registrant Name AmeriServ Financial, Inc.
Entity Central Index Key 0000707605
Entity Tax Identification Number 25-1424278
Entity Incorporation, State or Country Code PA
Entity Address, Address Line One Main and Franklin Streets
Entity Address, City or Town Johnstown
Entity Address, State or Province PA
Entity Address, Postal Zip Code 15901
City Area Code 814
Local Phone Number 533-5300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol ASRV
Security Exchange Name NASDAQ
Entity Emerging Growth Company false