Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2013	$ 8,685	$ 154,171	$ (16,964)	$ 145,892
Net income		8,513		8,513
Dividends		(3,821)		(3,821)
Other comprehensive income, net of tax			6,212	6,212
Balance at Jun. 30, 2014	8,685	158,863	(10,752)	156,796
Balance at Dec. 31, 2014	8,688	163,287	(5,672)	166,303
Net income		8,076		8,076
Dividends		(3,686)		(3,686)
Exercise of stock options	5	87		92
Other comprehensive income, net of tax			(3,215)	(3,215)
Balance at Jun. 30, 2015	$ 8,693	$ 167,764	$ (8,887)	$ 167,570