Other Real Estate Owned (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) property	Jun. 30, 2016 USD ($) property
OREO
Balance at the beginning of the period	$ 18,316	$ 24,803
Acquired in Southeastern Bank acquisition	385
Additions, net	4,947	5,391
Transfers		4,222
Write-downs	(1,729)	(812)
Sold	(7,489)	(11,177)
Balance at the end of the period	14,430	22,427
Number of properties uncovered | property				17
Carrying Value of uncovered OREO assets	18,316	24,803	$ 14,430	$ 22,427
Covered OREO
Balance at the beginning of the period		5,751
Additions, net		2,151
Transfers		(4,222)
Write-downs		(2,131)
Sold		(1,549)
Total
Balance at the beginning of the period	18,316	30,554
Acquired in Southeastern Bank acquisition	385
Additions, net	4,947	7,542
Write-downs	(1,729)	(2,943)
Sold	(7,489)	(12,726)
Balance at the end of the period	14,430	$ 22,427
Number of properties held | property			75	103
Residential real estate included in OREO	1,700
Residential real estate consumer mortgage loans in foreclosure process	$ 7,400