Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Covered
Beginning balance	$ 102,577	$ 148,599
Additions	59,034	105,059
Sales	(96,744)	(124,435)
Writedowns	(17,786)	(26,646)
Ending balance	47,081	102,577
Noncovered
Beginning balance	43,513	50,399
Additions	33,908	35,586
Sales	(36,168)	(33,564)
Writedowns	(4,355)	(8,908)
Ending balance	36,898	43,513
Total
Beginning balance	146,090	198,998
Additions	92,942	140,645
Sales	(132,912)	(157,999)
Writedowns	(22,141)	(35,554)
Ending balance	$ 83,979	$ 146,090