Other Real Estate Owned (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) property	Mar. 31, 2016 USD ($)	Jun. 30, 2015 USD ($) property
OREO
Balance at the beginning of the period	$ 24,803	$ 26,499
Additions	5,391	9,165
Transfers	4,222	2,245
Write-downs	(812)	(1,517)
Sold	(11,177)	(9,522)
Balance at the end of the period	22,427	26,870
Number of properties uncovered | property			17		133
Carrying Value of uncovered OREO assets	24,803	26,499	$ 22,427	$ 4,200	$ 26,870
Covered OREO
Balance at the beginning of the period	5,751	16,227
Additions	2,151	3,554
Transfers	(4,222)	(2,245)
Write-downs	(2,131)	(2,797)
Sold	(1,549)	(6,567)
Balance at the end of the period	0	8,172
Number of properties covered by loss share with the FDIC | property					29
Total
Balance at the beginning of the period	30,554	42,726
Additions	7,542	12,719
Write-downs	(2,943)	(4,314)
Sold	(12,726)	(16,089)
Balance at the end of the period	22,427	$ 35,042
Number of properties held | property			103		162
Residential real estate included in OREO	2,700
Residential real estate consumer mortgage loans in foreclosure process	$ 6,700