Other Real Estate Owned - (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Covered OREO	$ 3,853	$ 6,368
Not Covered OREO	23,211	28,104
Total OREO	27,064	34,472
Residential real estate
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Covered OREO	534	657
Not Covered OREO	3,174	4,549
Total OREO	3,708	5,206
Real estate – commercial mortgage
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Covered OREO	1,688	470
Not Covered OREO	8,737	9,179
Total OREO	10,425	9,649
Residential land development
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Covered OREO	343	2,445
Not Covered OREO	3,926	4,990
Total OREO	4,269	7,435
Commercial land development
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Covered OREO	1,288	2,796
Not Covered OREO	7,374	9,386
Total OREO	$ 8,662	$ 12,182