Consolidated Statements of Shareholders’ Equity - USD ($) $ in Thousands		Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance, beginning of the period at Dec. 31, 2015		$ 3,301	$ 10,420	$ 116,167	$ 1,171	$ 131,059
Comprehensive income:
Net income				13,459		13,459
Other comprehensive loss					(2,155)	(2,155)
Stock options exercised		10	352			362
Share-based compensation			1,218			1,218
Restricted stock vested		26	(26)
Common stock issued		3	146			149
Common stock purchased		(9)	(405)			(414)
Cash dividends declared – common stock				(4,464)		(4,464)
Balance, end of period at Dec. 31, 2016		3,331	11,705	125,162	(984)	139,214
Comprehensive income:
Net income				6,572		6,572
Other comprehensive loss					(569)	(569)
Reclassification of certain tax effects	[1]			334	(334)
Stock options exercised		2	82			84
Share-based compensation			1,451			1,451
Restricted stock vested		32	(32)
Common stock issued		3	144			147
Common stock purchased		(10)	(550)			(560)
Cash dividends declared – common stock				(4,637)		(4,637)
Balance, end of period at Dec. 31, 2017		3,358	12,800	127,431	(1,887)	141,702
Comprehensive income:
Net income				18,020		18,020
Other comprehensive loss					(2,785)	(2,785)
Share-based compensation			1,345			1,345
Restricted stock vested		26	(26)
Common stock issued		3	141			144
Common stock purchased		(29)	(1,508)			(1,537)
Cash dividends declared – common stock				(4,931)		(4,931)
Balance, end of period at Dec. 31, 2018		$ 3,358	$ 12,752	$ 140,520	$ (4,672)	$ 151,958

[1] Reclassification relates to the adoption of ASU 2018-02 in the year ended December 31, 2017 for stranded tax effects related to the reduction in the enacted federal corporate income tax rate.