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, 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	(533)	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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	12,174	0	12,174
Other comprehensive income (loss)	0	0	0	(2,243)	(2,243)
Cash dividends paid	0	0	(5,933)	0	(5,933)
10% common stock dividend	0	17,622	(17,638)	0	(16)
Stock issued to acquire subsidiary, net	0	22,041	0	0	22,041
Stock options exercised	0	751	0	0	751
Stock based compensation expense	0	178	0	0	178
Balances at Dec. 31, 2016	$ 0	$ 109,911	$ 66,195	$ (1,922)	$ 174,184