Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Covered OREO	$ 6,368	$ 12,942
Not Covered OREO	28,104	39,945
Total other real estate owned, net	34,472	52,887
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	657	2,133
Not Covered OREO	4,549	6,767
Total other real estate owned, net	5,206	8,900
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	470	3,598
Not Covered OREO	9,179	8,984
Total other real estate owned, net	9,649	12,582
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	2,445	1,161
Not Covered OREO	4,990	12,334
Total other real estate owned, net	7,435	13,495
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	2,796	6,050
Not Covered OREO	9,386	11,860
Total other real estate owned, net	$ 12,182	$ 17,910