Junior Subordinated Debentures and Restrictions on Dividends (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Trust common equity		$ 63,000		$ 63,000		$ 62,000
Preferred stock dividends deferred		(675,000)	$ (675,000)	(2,025,000)	$ (1,919,000)
First United Statutory Trust I And II Member
Trust preferred securities		30,000,000		30,000,000
Trust common equity		900,000		$ 900,000
Debenture issue date				2004-03
Junior Subordinated Debt [Member]
Debenture issue date				2004-12
Debt instrument, face amount		$ 5,000,000		$ 5,000,000
Variable interest rate				three month LIBOR plus 185 basis points
Debt instrument, interest rate, effective percentage		9.88%		9.88%
Debenture face value		$ 5,000,000		$ 5,000,000
Fixed interest rate		5.88%		5.88%
Debenture rate conversion date				2010-03
Maximum allowable period of interest deferment				5 years
Junior Subordinated Debt [Member] | First United Statutory Trust I Member
Debenture issued to unconsolidated subsidiary		$ 20,600,000		$ 20,600,000
Variable interest rate				three-month LIBOR plus 275 basis points
Debt instrument, interest rate, effective percentage		3.08%		3.08%
Maturity date				2034
Earliest availability for redemption				5 years
Junior Subordinated Debt [Member] | First United Statutory Trust II Member
Debenture issued to unconsolidated subsidiary		$ 10,300,000		$ 10,300,000
Variable interest rate				three-month LIBOR plus 275 basis points
Debt instrument, interest rate, effective percentage		3.08%		3.08%
Maturity date				2034
Earliest availability for redemption				5 years
Junior Subordinated Debt [Member] | December 2009 First United Statutory Trust III Member
Trust preferred securities		$ 7,000,000		$ 7,000,000
Trust common equity		200,000		$ 200,000
Debenture issue date				2009-12
Debenture issued to unconsolidated subsidiary		$ 7,200,000		$ 7,200,000
Maturity date				2040
Earliest availability for redemption				5 years
Fixed interest rate		9.875%		9.875%
Junior Subordinated Debt [Member] | January 2010 First United Statutory Trust III Member
Trust preferred securities		$ 3,500,000		$ 3,500,000
Trust common equity		100,000		$ 100,000
Debenture issue date				2010-01
Debenture issued to unconsolidated subsidiary		$ 3,600,000		$ 3,600,000
Maturity date				2040
Earliest availability for redemption				5 years
Fixed interest rate		9.875%		9.875%
Cumulative Preferred Stock [Member]
Quarterly preferred dividends accrual/paid	$ 6,500,000			$ 400,000