Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Total	Common stock	Retained earnings	Accumulated other comprehensive (loss)
Beginning Balance at Dec. 31, 2015		$ 78,470	$ 59,371	$ 19,566	$ (467)
Beginning Balance (in shares) at Dec. 31, 2015			9,279
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		4,205		4,205
Other comprehensive loss, net of tax		(234)			(234)
Dividends on common stock ($0.05 and $0.04 per share in 2017 and 2016 respectively)		(315)	$ 25	(340)
Common stock issued and related tax effects	[1]	150	$ 150
Common stock issued and related tax effects (in shares)	[1]		36
Ending Balance at Mar. 31, 2016		82,276	$ 59,546	23,431	(701)
Ending Balance (in shares) at Mar. 31, 2016			9,315
Beginning Balance at Dec. 31, 2016		$ 106,291	$ 85,383	20,748	160
Beginning Balance (in shares) at Dec. 31, 2016		10,477	10,477
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		$ 3,192		3,192
Other comprehensive loss, net of tax		(26)			(26)
Dividends on common stock ($0.05 and $0.04 per share in 2017 and 2016 respectively)		(493)	$ 33	(526)
Common stock issued and related tax effects	[1]	341	$ 341
Common stock issued and related tax effects (in shares)	[1]		58
Ending Balance at Mar. 31, 2017		$ 109,305	$ 85,757	$ 23,414	$ 134
Ending Balance (in shares) at Mar. 31, 2017		10,535	10,535

[1] Includes the issuance of common stock under employee benefit plans, which includes nonqualified stock options and restricted stock expense related entries, employee option exercises and the tax benefit of options exercised