Income Taxes (Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Allowance for loan and lease losses	$ 62,080	$ 73,344
Net operating loss and credit carry forwards	66,709	66,308
Compensation and employee benefit plans	34,562	42,497
Net losses on derivative instruments	12,804	16,522
Impairment losses on securities available for sale	8,274	8,622
Non-accrual interest	4,105	8,247
Net unrealized loss on securities available for sale	1,532	0
Other	8,614	9,909
Gross deferred tax assets	198,680	225,449
Valuation allowance	(82,747)	(82,502)
Total deferred tax assets, net of valuation allowance	115,933	142,947
Deferred tax liabilities:
Net unrealized gain on securities available for sale	0	26,143
Equipment financing leases	13,751	10,784
Deferred income on repurchase of debt	10,627	10,627
Intangible assets	8,239	7,388
Premises and equipment	3,353	6,163
Mortgage servicing assets	7,765	5,461
Deferred loan costs, net	3,423	3,236
Other	3,666	4,464
Gross deferred tax liabilities	50,824	74,266
Deferred tax asset, net	$ 65,109	$ 68,681