Consolidated Statements' of Shareholders Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Total
Balance, beginning of the period at Dec. 31, 2015	$ 3,301	$ 10,420	$ 116,167	$ 1,171	$ 131,059
Comprehensive income:
Net income			2,484		2,484
Other comprehensive income				759	759
Share-based compensation		305			305
Restricted stock vested	7	(7)
Common stock issued	1	36			37
Common stock purchased	(4)	(132)			(136)
Cash dividends declared – common stock			(1,104)		(1,104)
Balance, end of period at Mar. 31, 2016	3,305	10,622	117,547	1,930	133,404
Balance, beginning of the period at Dec. 31, 2016	3,331	11,705	125,162	(984)	139,214
Comprehensive income:
Net income			2,731		2,731
Other comprehensive income				253	253
Stock options exercised	2	81			83
Share-based compensation		403			403
Restricted stock vested	15	(15)
Common stock issued	1	36			37
Common stock purchased	(4)	(181)			(185)
Cash dividends declared – common stock			(1,150)		(1,150)
Balance, end of period at Mar. 31, 2017	$ 3,345	$ 12,029	$ 126,743	$ (731)	$ 141,386