Consolidated Statements of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income
Balance at Dec. 31, 2010	$ 65,720	$ 64	$ 19,751	$ 46,463	$ (2,325)	$ 1,767
Increase (Decrease) in Stockholders' Equity
Net income	7,409			7,409
Shares issued under the dividend reinvestment plan ("DRP")	2,973	2	2,971
Shares issued in the acquisition of Hampton State Bank (273,479 shares)	5,850	3	5,847
Stock awards granted and distributed			(387)		387
Stock awards forfeited			39		(39)
Vesting of stock awards	(61)				(61)
Tax effect of stock plans	(1)		(1)
Share based compensation expense	774		774
Cash dividend declared, $0.69 and $0.46 per share for the nine months ended on September 30, 2012 and 2011, respectively	(3,029)			(3,029)
Other comprehensive income, net of deferred income taxes	2,720					2,720
Balance at Sep. 30, 2011	82,355	69	28,994	50,843	(2,038)	4,487
Balance at Dec. 31, 2011	106,987	84	52,962	52,228	(715)	2,428
Increase (Decrease) in Stockholders' Equity
Net income	9,362			9,362
Shares issued under the dividend reinvestment plan ("DRP")	6,564	3	6,561
Stock awards granted and distributed			(580)		580
Stock awards forfeited			6		(6)
Vesting of stock awards	(88)				(88)
Tax effect of stock plans	(10)		(10)
Share based compensation expense	1,030		1,030
Cash dividend declared, $0.69 and $0.46 per share for the nine months ended on September 30, 2012 and 2011, respectively	(5,858)			(5,858)
Other comprehensive income, net of deferred income taxes	(1,671)					(1,671)
Balance at Sep. 30, 2012	$ 116,316	$ 87	$ 59,969	$ 55,732	$ (229)	$ 757