Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Covered
Beginning balance	$ 47,081		$ 102,577
Additions	16,186		41,315
Sales	(18,522)		(53,676)
Writedowns	(4,609)		(5,383)
Ending balance	40,136		84,833
Noncovered
Beginning balance	36,898		43,513
Additions	20,485	[1]	16,615
Sales	(19,150)		(21,026)
Writedowns	(3,082)		(2,160)
Ending balance	35,151	[1]	36,942
Total
Beginning balance	83,979		146,090
Additions	36,671	[1]	57,930
Sales	(37,672)		(74,702)
Writedowns	(7,691)		(7,543)
Ending balance	75,287	[1]	121,775
1st Financial
Noncovered
Additions	$ 11,600	[1]

[1] Noncovered additions include $11.6 million from the 1st Financial merger.