CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands, except Share data, unless otherwise specified	Total	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	RETAINED EARNINGS	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	TREASURY STOCK
Beginning Balance at Dec. 31, 2013	$ 127,815	$ 41,665	$ 49,800	$ 47,554	$ (4,894)	$ (6,310)
Beginning Balance (in shares) at Dec. 31, 2013		4,999,929
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,469			3,469
Other comprehensive income	3,257				3,257
Dividends declared	(2,265)			(2,265)
Common shares issued for employee stock purchase plan (in shares)		632
Common shares issued for employee stock purchase plan	29	6	23
Ending Balance at Mar. 31, 2014	132,305	41,671	49,823	48,758	(1,637)	(6,310)
Ending Balance (in shares) at Mar. 31, 2014		5,000,561
Beginning Balance at Dec. 31, 2014	135,967	41,688	49,896	53,107	(1,667)	(7,057)
Beginning Balance (in shares) at Dec. 31, 2014		5,002,649
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,355			3,355
Other comprehensive income	361				361
Dividends declared	(2,257)			(2,257)
Common shares issued for employee stock purchase plan (in shares)		520
Common shares issued for employee stock purchase plan	23	5	18
Purchases of treasury stock	(445)					(445)
Ending Balance at Mar. 31, 2015	$ 137,004	$ 41,693	$ 49,914	$ 54,205	$ (1,306)	$ (7,502)
Ending Balance (in shares) at Mar. 31, 2015		5,003,169