Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Dec. 31, 2014	$ 15,097	$ 140,214	$ 92,297	$ (829)	$ 246,779
Stock based compensation		52			52
Net income			13,884		13,884
Other comprehensive income (loss), net of income taxes				(549)	(549)
Dividends declared			(7,016)		(7,016)
Shares retired	(59)	(1,003)			(1,062)
Balance at Sep. 30, 2015	15,038	139,263	99,165	(1,378)	252,088
Balance at Dec. 31, 2015	14,821	135,371	100,701	(2,125)	248,768
Stock based compensation		53			53
Net income			14,855		14,855
Other comprehensive income (loss), net of income taxes				247	247
Dividends declared			(6,879)		(6,879)
Shares retired	(33)	(571)			(604)
Balance at Sep. 30, 2016	$ 14,788	$ 134,853	$ 108,677	$ (1,878)	$ 256,440