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Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Summary of the items that caused recorded income taxes to differ from taxes computed using the statutory tax rate
Tax expense at statutory rate	$ 6,025	$ 8,281	$ 7,129
Effect of state income taxes, net of federal benefit	782	372	356
Exempt income	(34)	(146)	(162)
Effect of change in federal tax rate	0	2,441
Other	(248)	(2)	160
Effect of stock-based compensation	(124)	(330)	(150)
Income tax expense	$ 6,401	$ 10,616	$ 7,333

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to excess tax benefit for share-based compensation cost.

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