Document And Entity Information	3 Months Ended
	Mar. 31, 2014	May 05, 2014
Document And Entity Information
Entity Registrant Name	SUMMIT FINANCIAL GROUP INC
Entity Central Index Key	0000811808
Document Type	10-Q
Amendment Flag	false
Entity Filer Category	Smaller Reporting Company
Current Fiscal Year End Date	--12-31
Document Period End Date	Mar. 31, 2014
Entity Common Stock, Shares Outstanding		7,457,222
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2014