Noncovered Other Real Estate Owned (Summary of Noncovered Other Real Estate Owned) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Real Estate Owned [Line Items]
Other Real Estate Owned, established through acquisition	$ 14,708	$ 0
Balance, beginning of period	26,987
Proceeds from sale of OREO property	(14,407)	(15,689)	(12,278)
Net realized gain on sale of other real estate owned	10,539	11,634	9,310
Balance, end of period	35,927	26,987
Noncovered Loans [Member]
Other Real Estate Owned [Line Items]
Balance, beginning of period	10,676	22,893
Transfers in, net of write-downs ($90 and $205, respectively)	9,273	7,461
Other Real Estate Owned, additions and improvements	3,577	11
Writedowns Previously Recorded On Transfer In Of Real Estate Acquired Through Foreclosure	90	205
Additional OREO write-downs	(1,753)	(4,816)
Proceeds from sale of OREO property	(13,903)	(15,689)
Net realized gain on sale of other real estate owned	1,256	816
Balance, end of period	$ 23,834	$ 10,676