Goodwill and Other Intangible Assets (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 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
Finite-lived Intangible Assets [Roll Forward]
Intangibles, Beginning Balance	3,159,000
Intangibles, Additions	0
Intangibles, Amortization	(331,000)	(420,000)
Intangibles, Impairment	0
Intangibles, Ending Balance	2,828,000
MidCarolina [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible	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
Amortization period of intangible	99 months