Consolidated Statement of Shareholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2012	$ 2,121	$ 12,787	$ 60,735	$ 4,456	$ (2,476)	$ 77,623
Balance (in Shares) at Dec. 31, 2012	3,228,003
Net Income			8,392			8,392
Other comprehensive income (loss), net of tax				(7,868)		(7,868)
Cash dividends declared			(3,509)			(3,509)
Stock issued in connection with dividend reinvestment and stock purchase plan	22	801				823
Stock issued in connection with dividend reinvestment and stock purchase plan (in Shares)	35,481
Stock issued for employee stock purchase plan	2	77				79
Stock issued for employee stock purchase plan (in Shares)	3,692
Stock issued for options exercised	3	9				12
Stock issued for options exercised (in Shares)	4,482					29,825
Tax benefit of stock options exercised		2				2
Stock-based compensation expense		71				71
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					3,271,658
Net Income			8,998			8,998
Other comprehensive income (loss), net of tax				4,319		4,319
Cash dividends declared			(3,688)			(3,688)
Stock issued in connection with dividend reinvestment and stock purchase plan	18	731				749
Stock issued in connection with dividend reinvestment and stock purchase plan (in Shares)	29,288
Stock issued for employee stock purchase plan	2	72				74
Stock issued for employee stock purchase plan (in Shares)	3,239
Stock issued for options exercised	8	157				165
Stock issued for options exercised (in Shares)	12,473					20,050
Tax benefit of stock options exercised		29				29
Stock-based compensation expense		83				83
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