Income Taxes - Schedule Of Components Of Income Tax Provision (Benefit) By Jurisdiction (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Domestic	$ (3,161)	$ (53,044)	$ (9,631)
Foreign	5,561	2,620	(2,839)
Income tax provision (benefit)	$ 2,400	$ (50,424)	$ (12,470)