CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2012	$ 11,896	$ 72,849	$ 52,975	$ 6,576	$ 144,296
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	13,229	0	13,229
Other comprehensive income (loss)	0	0	0	(7,201)	(7,201)
Cash dividends paid	0	0	(3,524)	0	(3,524)
Dividends declared on preferred stock	0	0	(600)	0	(600)
Preferred stock accretion	59	0	(59)	0	0
Stock options exercised	0	571	0	0	571
Stock based compensation expense	0	169	0	0	169
Balances at Dec. 31, 2013	11,955	73,589	62,021	(625)	146,940
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	13,150	0	13,150
Other comprehensive income (loss)	0	0	0	2,120	2,120
Cash dividends paid	0	0	(4,854)	0	(4,854)
Redemption of preferred stock	(12,000)	0	0	0	(12,000)
Dividends declared on preferred stock	0	0	(553)	0	(553)
Preferred stock accretion	45	0	(45)	0	0
Stock options exercised	0	731	0	0	731
Stock based compensation expense	0	248	0	0	248
Balances at Dec. 31, 2014	0	74,568	69,719	1,495	145,782
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	12,446	0	12,446
Other comprehensive income (loss)	0	0	0	(1,174)	(1,174)
Cash dividends paid	0	0	(4,573)	0	4,573
Purchase of warrant	0	(5,675)	0	0	(5,675)
Stock options exercised	0	222	0	0	222
Stock based compensation expense	0	204	0	0	204
Balances at Dec. 31, 2015	$ 0	$ 69,319	$ 77,592	$ 321	$ 147,232