Other Real Estate Owned (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Real Estate Properties [Line Items]
Mortgage Loans in Process of Foreclosure, Amount	$ 18,100		$ 24,800
Covered
Beginning balance	22,982	$ 47,081
Additions	5,833	16,186
Sales	(12,962)	(18,522)
Writedowns	(857)	(4,609)
Other Real Estate Covered Transfers	(2,106)
Ending balance	12,890	40,136
Noncovered
Beginning balance	70,454	36,898
Additions	24,558	8,894
Sales	(34,324)	(19,150)
Writedowns	(2,436)	(3,082)
Other Real Estate Non Covered Transfers	2,106
Ending balance	60,358	35,151
Total
Beginning balance	93,436	83,979
Additions	30,391	25,080
Sales	(47,286)	(37,672)
Writedowns	(3,293)	(7,691)
Other Real Estate Transfers	0
Ending balance	73,248	75,287
Mortgage
Total
Beginning balance	29,048
Ending balance	$ 17,641
1st Financial
Covered
Additions		0
Noncovered
Additions		11,591
Total
Additions		$ 11,591