Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Loans, principally due to allowance for loan losses	$ 60,885	$ 68,014
Accrued expenses	15,080	14,590
Equity-based compensation	12,733	12,689
Deferred Tax Assets, Investments	8,157	6,001
Deferred compensation	7,751	7,397
Pension	5,078	5,885
Deferred tax assets, Other	5,291	10,172
Total deferred tax assets	114,975	124,748
Equipment lease financing	67,938	67,531
Unrealized gain on securities available for sale	32,524	52,158
Land, buildings and equipment	12,186	14,520
Intangibles	7,674	7,532
Accretion on investment securities	5,893	5,919
Deferred tax liabilities, Other	4,129	3,181
Total deferred tax liabilities	130,344	150,841
Net deferred tax assets (liabilities)	$ (15,369)	$ (26,093)