Income Taxes (Components Of The Net Deferred Tax (Liabilities) Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Apr. 18, 2014
Deferred Tax Assets, Gross [Abstract]
Net operating loss carryforwards	$ 137,302	$ 197,227
Allowance for loan and lease losses	54,048	41,133
Loan discount	40,068	90,287
Accrued severance and deferred compensation	28,893	28,216
Tax credits	15,778	21,966
Other	32,350	44,493
Total gross deferred tax assets	308,439	423,322
Deferred Tax Liabilities, Gross [Abstract]
Residential mortgage servicing rights	54,112	48,496
Fair market value adjustment on preferred securities	48,407	50,549
Intangibles	17,417	15,074
Total gross deferred tax liabilities	49,331	75,395
Total gross deferred tax liabilities	169,267	189,514
Valuation allowance	(1,090)	(3,366)
Net deferred tax assets	$ 138,082	$ 230,442	$ 276,800