Other Real Estate Owned - (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 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	$ 4,325	$ 6,368
Not Covered OREO	27,361	28,104
Total OREO	31,686	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	753	657
Not Covered OREO	3,482	4,549
Total OREO	4,235	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	1,904	470
Not Covered OREO	11,288	9,179
Total OREO	13,192	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	491	2,445
Not Covered OREO	4,235	4,990
Total OREO	4,726	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	1,177	2,796
Not Covered OREO	8,356	9,386
Total OREO	$ 9,533	$ 12,182