Fair Value Of Assets And Liabilities (Gains/(losses) on Noncurring Fair Value Measurements) (Details) - Non Recurring - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gains/(losses), Loans, net of unearned income	$ (2,388)	$ 461	$ (1,456)	$ (3,249)
Net gains/(losses), Real estate acquired by foreclosure	(41)	(711)	(662)	(1,561)
Net gains/(losses), Other assets	(762)	(788)	(2,646)	(2,325)
Gain (loss) on financial assets measured on non-recurring basis	(3,271)	(1,028)	(6,001)	(7,118)
First Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gains/(losses), Loans held for sale	6	10	22	17
SBAs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gains/(losses), Loans held for sale	$ (86)	$ 0	$ (1,259)	$ 0