XML 30 R56.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes - Components of Net Income (Loss) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Domestic $ (159,429) $ (139,568) $ (118,331)
Foreign 0 0 (2,256)
Loss before income taxes $ (159,429) $ (139,568) $ (120,587)