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)	$ (163,415)	$ (135,665)	$ (83,988)
Other comprehensive gain (loss):
Unrealized gain (loss) on available-for-sale investments	230	(194)	(117)
Cumulative translation adjustments	1,631	12	(1)
Comprehensive loss	$ (161,554)	$ (135,847)	$ (84,106)