Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member] Employee Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Employee Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Employee Stock [Member]	Total
Balance at Dec. 31, 2013		$ 2,148		$ 13,747	$ 65,618	$ (3,412)	$ (2,476)		$ 75,625
Balance (in Shares) at Dec. 31, 2013		3,271,658
Net income					6,512				6,512
Other comprehensive income, net of tax						3,123			3,123
Cash dividends declared					(2,762)				(2,762)
Stock issued in connection with dividend reinvestment and stock purchase plan	$ 1	$ 14	$ 34	538				$ 35	552
Stock issued in connection with dividend reinvestment and stock purchase plan (in Shares)	1,572	21,957
Stock issued for options exercised		$ 7		147					$ 154
Stock issued for options exercised (in Shares)		11,919							19,425
Tax benefit of stock options exercised				29					$ 29
Stock-based compensation expense				60					60
Balance at Sep. 30, 2014		$ 2,170		14,555	69,368	(289)	(2,476)		83,328
Balance (in Shares) at Sep. 30, 2014		3,307,106
Balance at Dec. 31, 2014		$ 2,176		14,819	70,928	907	(2,476)		$ 86,354
Balance (in Shares) at Dec. 31, 2014		3,316,658							3,316,658
Net income					6,290				$ 6,290
Other comprehensive income, net of tax						353			353
Cash dividends declared					(2,901)				(2,901)
Stock issued in connection with dividend reinvestment and stock purchase plan	$ 1	$ 15	$ 42	652				$ 43	667
Stock issued in connection with dividend reinvestment and stock purchase plan (in Shares)	1,721	23,796
Stock issued for options exercised		$ 5		101					$ 106
Stock issued for options exercised (in Shares)		8,302							12,150
Tax benefit of stock options exercised				20					$ 20
Stock-based compensation expense				64					64
Balance at Sep. 30, 2015		$ 2,197		$ 15,698	$ 74,317	$ 1,260	$ (2,476)		$ 90,996
Balance (in Shares) at Sep. 30, 2015		3,350,477							3,350,477