Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Loans, principally due to allowance for loan losses	$ 68,014	$ 70,154
Accrued expenses	14,590	15,740
Equity-based compensation	12,689	12,407
Deferred compensation	7,397	6,980
Pension	5,885	728
Deferred tax assets, Other	16,173us-gaap_DeferredTaxAssetsOther	14,740us-gaap_DeferredTaxAssetsOther
Total deferred tax assets	124,748us-gaap_DeferredTaxAssetsNet	120,749us-gaap_DeferredTaxAssetsNet
Equipment lease financing	67,531	64,320
Unrealized gain on securities available for sale	52,158	15,633
Land, buildings and equipment	14,520	14,757
Intangibles	7,532	7,282
Accretion on investment securities	5,919	5,972
Deferred tax liabilities, Other	3,181us-gaap_DeferredTaxLiabilitiesOther	7,325us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liabilities	150,841us-gaap_DeferredTaxLiabilities	115,289us-gaap_DeferredTaxLiabilities
Net deferred tax liabilities	$ (26,093)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 5,460us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred tax liability accretion on investment securities.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.

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Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains in other comprehensive income.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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