CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS [Abstract]
Net loss	$ (366,286)	$ (269,722)	$ (28,597)
Unrealized gains (losses) on investments, net of tax	24,484	(24,395)	(11,486)
Currency translation adjustment	351	(417)	(111)
Comprehensive loss	$ (341,451)	$ (294,534)	$ (40,194)