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Consolidated Statements of Comprehensive Loss - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Consolidated Statements of Comprehensive Loss      
Net loss $ (225,573) $ (55,985) $ (32,940)
Other comprehensive income 0 0 0
Comprehensive loss $ (225,573) $ (55,985) $ (32,940)