Liquidity and Uncertainties (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Liquidity and Uncertainties
Net loss	$ (76,896)	$ (57,518)
Accumulated deficit	$ (1,039,556)		$ (962,660)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details