Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (Parenthetical)

v3.20.2
Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]        
Net unrealized gain on marketable securities, tax expense $ 0 $ 3,000 $ 1,000 $ 8,000