Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income (loss) before income taxes	$ (3,907)	$ (15,699)	$ (19,570)	$ 3,092
Income tax expense (benefit)	4,479	$ (488)	7,926	$ (857)
Domestic
Income tax expense (benefit)	3,300		5,300
Foreign
Income tax expense (benefit)	$ 1,200		$ 2,600