CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ (18,238)	$ (23,668)	$ (52,020)	$ (77,678)
Other comprehensive income (loss):
Net unrealized gains (losses) on available-for-sale securities	210	(1,810)	237	(2,920)
Foreign currency translation (loss) gain	(377)	(1,004)	(113)	(2,513)
Comprehensive loss	$ (18,405)	$ (26,482)	$ (51,896)	$ (83,111)