Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Jul. 31, 2017
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2017
Entity Registrant Name	FIRST UNITED CORP/MD/
Entity Central Index Key	0000763907
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		7,067,425
Trading Symbol	func
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2