Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional paid-in capital commons stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Beginning Balance at Dec. 31, 2015	$ 74	$ 77,363	$ 58,098	$ 1,490	$ 137,025
Net income			13,241		13,241
Other comprehensive income, net of taxes				(2,744)	(2,744)
Stock options, exercised	1	975			976
Tax benefit on stock options		178			178
Stock repurchased	(2)	(4,352)			(4,354)
Cash dividends, common stock			(4,284)		(4,284)
Ending Balance at Dec. 31, 2016	73	74,164	67,055	(1,254)	140,038
Net income			12,315		12,315
Other comprehensive income, net of taxes				1,635	1,635
Stock options, exercised	1	1,155			1,156
Cash dividends, common stock			(4,862)		(4,862)
Ending Balance at Dec. 31, 2017	74	75,319	74,508	381	150,282
Net income			18,864		18,864
Other comprehensive income, net of taxes				(3,005)	(3,005)
Stock options, exercised		253			253
Cash dividends, common stock			(6,354)		(6,354)
Issuance of commons stock related to acquisition	12	42,311			42,323
Ending Balance at Dec. 31, 2018	$ 86	$ 117,883	$ 87,018	$ (2,624)	$ 202,363