Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Allowance for loan and lease losses	$ 77,908	$ 70,937
Net operating loss and credit carry forwards	64,644	68,735
Compensation and employee benefit plans	46,433	52,422
Net losses on derivative instruments	8,624	11,734
Net unrealized loss on securities available for sale	9,898	4,138
Other	17,682	21,663
Gross deferred tax assets	225,189	229,629
Valuation allowance	(71,474)	(74,918)
Total deferred tax assets, net of valuation allowance	153,715	154,711
Deferred tax liabilities:
Equipment-financing leases	41,910	23,934
Deferred income on repurchase of debt	4,251	6,376
Intangible assets	9,952	9,298
Mortgage servicing assets	7,313	7,127
Other	5,898	6,398
Gross deferred tax liabilities	69,324	53,133
Deferred tax assets, net	$ 84,391	$ 101,578