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Consolidated Statements of Comprehensive Income Loss - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]    
Net loss $ (57,240) $ (51,903)
Other comprehensive loss:    
Cumulative translation loss (19)  
Comprehensive loss $ (57,259) $ (51,903)