Changes in Noncovered Other Real Estate Owned (Summary of Noncovered Other Real Estate Owned) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Real Estate Owned [Line Items]
Balance, beginning of period	$ 35,927
Proceeds from sale of OREO property	(8,102)	(2,019)
Gain (loss) on sale of OREO	1,659	2,787
Total OREO, end of period	30,552
Noncovered Loans [Member]
Other Real Estate Owned [Line Items]
Balance, beginning of period	23,834	10,676
Transfers in, net of write-downs ($0 and $32, respectively)	244	2,709
Transfers in, write-downs	0	32
Additional OREO write-down	(929)	(93)
Proceeds from sale of OREO property	(8,102)	(1,565)
Gain (loss) on sale of OREO	793	189
Total OREO, end of period	$ 15,840	$ 11,916