Fair Value Of Assets And Liabilities (Gains/(losses) on Noncurring Fair Value Measurements) (Details) - Non Recurring - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Fair Value Of Assets And Liabilities [Line Items]
Net gains/(losses), Loans, net of unearned income	[1]	$ 484	$ (4,672)
Net gains/(losses), Real estate acquired by foreclosure	[2]	(445)	(536)
Net gains/(losses), Other assets	[3]	(942)	(706)
Gain (loss) on financial assets measured on non-recurring basis		(933)	(5,909)
First Mortgages
Fair Value Of Assets And Liabilities [Line Items]
Net gains/(losses), Loans held for sale		3	5
SBAs [Member]
Fair Value Of Assets And Liabilities [Line Items]
Net gains/(losses), Loans held for sale		$ (33)	$ 0

[1] Write-downs on these loans are recognized as part of provision for loan losses.

[2] Represents losses of foreclosed properties that were measured subsequent to their initial classification as foreclosed assets. Balance excludes foreclosed real estate related to government insured mortgages.

[3] Represents tax credit investments accounted for under the equity method .