Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Components of provision for income taxes
Income tax expense	$ 2,160	$ 640	$ 2,535	$ 931
Current-
Current- Federal	39		92
Current- State	551	589	841	856
Current- Foreign	$ 1,570	$ 51	$ 1,602	$ 75

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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