XML 11 R1.htm IDEA: XBRL DOCUMENT v3.20.2
Document And Entity Information - shares
 6 Months Ended
Jun. 30, 2020
Aug. 03, 2020
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2020  
Document Transition Report false  
Entity File Number 0-20146  
Entity Registrant Name EAGLE FINANCIAL SERVICES, INC.  
Entity Central Index Key 0000880641  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Incorporation, State or Country Code VA  
Entity Tax Identification Number 54-1601306  
Entity Address, Address Line One 2 East Main Street P.O. Box 391  
Entity Address, City or Town Berryville,  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 22611  
City Area Code 540  
Local Phone Number 955-2510  
No Trading Symbol Flag  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   3,412,636