Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Allowance for loan and lease losses	$ 53,851	$ 54,390
Net operating loss and credit carry forwards	69,827	70,808
Compensation and employee benefit plans	24,518	29,623
Deferred Tax Assets, Property, Plant and Equipment	45,923	0
Net unrealized loss on securities available for sale	0	25,060
Other	9,521	14,388
Gross deferred tax assets	203,640	194,269
Valuation allowance	(38,181)	(38,181)
Total deferred tax assets, net of valuation allowance	165,459	156,088
Deferred tax liabilities:
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	6,430	0
Deferred Tax Liabilities, Interests in Financial Assets Continued to be Held	40,908	0
Equipment financing leases	31,332	28,140
Deferred Tax Liabilities, Property, Plant and Equipment	7,838	10,293
Mortgage servicing assets	6,816	9,608
Goodwill and other intangible assets	6,172	6,293
Other	3,988	5,238
Gross deferred tax liabilities	103,484	59,572
Deferred tax assets, net	$ 61,975	$ 96,516