Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net Loss	$ (295,350)	$ (241,846)	$ (202,244)
Other comprehensive income (loss):
Unrealized gain (loss) on available-for-sale securities	48	(127)	(169)
Comprehensive loss	$ (295,302)	$ (241,973)	$ (202,413)

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

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