Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ (283,255)	$ (269,476)	$ (355,928)
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on marketable securities, net	4,267	(2,961)	(1,396)
Total comprehensive loss	$ (278,988)	$ (272,437)	$ (357,324)