Income Taxes (Inc) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Summary of Income before income tax provision
Domestic	$ (47,059)	$ 7,059	$ 21,437
Foreign	6,569	1,929	1,070
Income (loss) before income tax provision	$ (40,490)	$ 8,988	$ 22,507