Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Loss per share (Details)

v3.20.4
Summary of Significant Accounting Policies - Loss per share (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Numerator for basic and diluted loss per share      
Net loss $ (130,092) $ (137,165) $ (95,514)
Net loss attributable to shareholders used for basic and diluted EPS calculation $ (130,092) $ (137,165) $ (95,514)
Denominator for basic and diluted loss per share      
Weighted average number of shares used to calculate basic and diluted loss per share (in shares) 854,783,763 629,805,218 584,338,942