Income Taxes (Components Of The Net Deferred Tax (Liabilities) Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Allowance for loan and lease losses	$ 33,652	$ 33,782
Covered loans	16,788	28,610
Accrued severance and deferred compensation	13,080	13,376
Non-accrual loans	5,760	4,759
Tax credits	5,716	3,655
Unrealized loss on investment securities	3,318	0
Non-covered other real estate owned	3,023	1,974
Covered other real estate owned	831	5,120
Other	16,230	14,702
Total gross deferred tax assets	98,398	105,978
Mortgage servicing rights	18,855	10,847
Fair market value adjustment on preferred securities	18,649	19,567
FDIC indemnification asset	10,471	25,913
Leased assets	9,719	3,930
Deferred loan fees	7,525	5,706
Premises and equipment depreciation	7,356	8,834
Intangibles	5,633	5,161
Unrealized gain on investment securities	0	16,306
Other	3,512	6,186
Total gross deferred tax liabilities	81,720	102,450
Valuation allowance	(51)	0
Net deferred tax assets (liabilities)	$ 16,627	$ 3,528