CONSOLIDATED CONDENSED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Treasury Shares [Member]	Accumulated Other Comprehensive Income [Member]
Balance Beginning (in shares) at Dec. 31, 2015		9,925,547
Balance beginning at Dec. 31, 2015	$ 140,108	$ 76,908	$ 74,629	$ (11,665)	$ 236
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,932		5,932
Other comprehensive income, net of taxes	4,153				4,153
Dividend Reinvestment and Stock Purchase Plan (in shares)		11,715
Dividend Reinvestment and Stock Purchase Plan	192	$ 192
Repurchase of stock warrants	(1,545)	(1,545)
Compensation expense relating to stock options	2	2
Compensation expense relating to restricted stock	45	$ 45
Common stock dividends, $0.32 per share	(3,177)		(3,177)
Balance Ending (in shares) at Jun. 30, 2016		9,937,262
Balance ending at Jun. 30, 2016	145,710	$ 75,602	77,384	(11,665)	4,389
Balance Beginning (in shares) at Dec. 31, 2016		9,998,025
Balance beginning at Dec. 31, 2016	142,944	$ 76,490	80,736	(11,665)	(2,617)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,249		6,249
Other comprehensive income, net of taxes	1,642				1,642
Dividend Reinvestment and Stock Purchase Plan (in shares)		8,554
Dividend Reinvestment and Stock Purchase Plan	180	$ 180
Exercise of stock options (in shares)		3,398
Exercise of stock options	51	$ 51
Compensation expense relating to stock options	1	$ 1
Stock Issued During Period, Shares, Restricted Stock Award, Gross		4,027
Compensation expense relating to restricted stock	63	$ 63
Common stock dividends, $0.32 per share	(3,203)		(3,203)
Balance Ending (in shares) at Jun. 30, 2017		10,014,004
Balance ending at Jun. 30, 2017	$ 147,927	$ 76,785	$ 83,782	$ (11,665)	$ (975)