Other Assets (Schedule of Other Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Accrued interest receivable	$ 23,720	$ 26,998
Derivative assets	17,921	23,942
Income taxes receivable	15,665	12,859
Equity method investments	9,641	11,031
Investment in unconsolidated Trusts	6,933	6,933
Due from FDIC	3,322	12,606
Prepaid FDIC deposit assessment	0	12,307
Other	34,756	32,026
Total	$ 111,958	$ 138,702