Goodwill and Other Intangible Assets (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Changes in the carrying amount of goodwill [Roll Forward]
Goodwill, beginning of period			$ 39,043,000
Goodwill, Additions			0
Goodwill, Amortization			0
Goodwill, Impairment			0
Goodwill, end of period	39,043,000		39,043,000
Finite-lived Intangible Assets [Roll Forward]
Intangibles, Beginning Balance			3,159,000
Intangibles, Additions			0
Intangibles, Amortization	(330,000)	(421,000)	(661,000)	(841,000)
Intangibles, Impairment			0
Intangibles, Ending Balance	2,498,000		2,498,000
MidCarolina [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible	6,556,000		6,556,000
Amortization period of intangible			108 months
Community First [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible	$ 3,112,000		$ 3,112,000
Amortization period of intangible			99 months