CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Preferred Stock [Member]	Common Stock [Member]	Surplus [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2011	$ 13,979	$ 7,685	$ 96,323	$ (8,988)	$ 13,868	$ 104	$ 122,971
Shares outstanding at Dec. 31, 2011		8,832,711
Net income					9,696		9,696
Net change in accumulated other comprehensive income						4,195	4,195
Issuance of restricted stock		30	(30)
Issuance of restricted stock, shares		36,263
Amortization of restricted stock			549				549
Redemption of preferred stock	(14,341)						(14,341)
Redemption of preferred stock, shares	(14,341)
Warrant repurchase			(109)				(109)
Warrant repurchase, shares		150,296
Accretion of discount on preferred stock	362				(362)
Cash dividends declared on common stock					(1,774)		(1,774)
Cash dividends declared on preferred stock					(112)		(112)
Common stock option expense			336				336
Common stock options exercised and related tax benefits		1	20				21
Common stock options exercised and related tax benefits, shares		2,022
Sale of shares (dividend reinvestment program)		39	586				625
Sale of shares (dividend reinvestment program), shares		46,803
Balance at Dec. 31, 2012		7,755	97,675	(8,988)	21,316	4,299	122,057
Shares outstanding at Dec. 31, 2012		8,917,799
Net income					9,261		9,261
Net change in accumulated other comprehensive income						(4,276)	(4,276)
Issuance of restricted stock		158	(158)
Issuance of restricted stock, shares		189,858
Amortization of restricted stock			590				590
Cash dividends declared on common stock					(1,802)		(1,802)
Common stock option expense			319				319
Common stock options exercised and related tax benefits		3	27				30
Common stock options exercised and related tax benefits, shares		2,982
Sale of shares (dividend reinvestment program)		167	3,081				3,248
Sale of shares (dividend reinvestment program), shares		200,265
Issuance of shares for Profit Sharing Plan		6	124				130
Issuance of shares for Profit Sharing Plan, shares		7,025
Issuance of stock offering net of costs		2,059	39,041				41,100
Issuance of stock offering net of costs, shares		2,470,588
Balance at Dec. 31, 2013		10,148	140,699	(8,988)	28,775	23	170,657
Shares outstanding at Dec. 31, 2013		11,788,517					11,788,517
Net income					14,890		14,890
Net change in accumulated other comprehensive income						1,198	1,198
Issuance of restricted stock		121	(121)
Issuance of restricted stock, shares		145,747
Amortization of restricted stock			1,475				1,475
Cash dividends declared on common stock					(2,414)		(2,414)
Common stock option expense			234				234
Common stock options exercised and related tax benefits		14	160				174
Common stock options exercised and related tax benefits, shares		14,702
Sale of shares (dividend reinvestment program)		347	7,082				7,429
Sale of shares (dividend reinvestment program), shares		416,057
Issuance of shares for Profit Sharing Plan		3	67				70
Issuance of shares for Profit Sharing Plan, shares		3,781
Issuance of shares for Employee Stock Purchase Plan		8	188				196
Issuance of shares for Employee Stock Purchase Plan, shares		10,698
Issuance of stock offering net of costs		2,313	46,045				48,358
Issuance of stock offering net of costs, shares		2,776,215
Balance at Dec. 31, 2014		$ 12,954	$ 195,829	$ (8,988)	$ 41,251	$ 1,221	$ 242,267
Shares outstanding at Dec. 31, 2014		15,155,717					15,155,717