Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2012	$ 101,264	$ 15,070	$ (728)	$ 9,246	$ 77,888	$ (212)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,048				7,048
Other comprehensive income (loss), net of taxes	(2,252)					(2,252)
Common stock shares issued	364	53		311
Cash dividends declared	(3,404)				(3,404)
Ending Balance at Sep. 30, 2013	103,020	15,123	(728)	9,557	81,532	(2,464)
Beginning Balance at Dec. 31, 2013	106,802	15,135	(728)	9,628	82,661	106
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,827				7,827
Other comprehensive income (loss), net of taxes	117					117
Common stock shares issued	381	50		331
Cash dividends declared	(3,419)				(3,419)
Ending Balance at Sep. 30, 2014	$ 111,708	$ 15,185	$ (728)	$ 9,959	$ 87,069	$ 223