Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Dec. 31, 2014	$ 30,000	$ 62	$ 21,795	$ 77,375	$ (20,233)	$ 108,999
Net income				10,876		10,876
Other comprehensive income (loss)					3,404	3,404
Stock based compensation		1	191			192
Preferred stock dividends paid				(2,700)		(2,700)
Balance at Dec. 31, 2015	30,000	63	21,986	85,551	(16,829)	120,771
Net income				3,575		3,575
Other comprehensive income (loss)					(87)	(87)
Stock based compensation			96			96
Preferred stock redemption	(10,000)					(10,000)
Preferred stock dividends paid				(1,125)		(1,125)
Balance at Jun. 30, 2016	$ 20,000	$ 63	$ 22,082	$ 88,001	$ (16,916)	$ 113,230