Other Real Estate Owned (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) property	Mar. 31, 2016 USD ($)	Sep. 30, 2015 USD ($) property
OREO
Balance at the beginning of the period	$ 24,803	$ 26,499
Additions	9,296	16,190
Transfers	4,222	2,245
Write-downs	(1,939)	(2,763)
Sold	(14,171)	(16,258)
Balance at the end of the period	22,211	25,913
Number of properties uncovered | property			17		123
Carrying Value of uncovered OREO assets	24,803	26,499	$ 22,211	$ 4,200	$ 25,913
Covered OREO
Balance at the beginning of the period	5,751	16,227
Additions	2,151	6,832
Transfers	(4,222)	(2,245)
Write-downs	(2,131)	(4,910)
Sold	(1,549)	(10,439)
Balance at the end of the period	0	5,465
Number of properties covered by loss share with the FDIC | property					34
Total
Balance at the beginning of the period	30,554	42,726
Additions	11,447	23,022
Write-downs	(4,070)	(7,673)
Sold	(15,720)	(26,697)
Balance at the end of the period	22,211	$ 31,378
Number of properties held | property			108		157
Residential real estate included in OREO	3,700
Residential real estate consumer mortgage loans in foreclosure process	$ 4,700