Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (416,277)	$ (436,373)	$ (479,449)
Other comprehensive income (loss):
Unrealized (loss) gain on available-for-sale securities	(142)	244	16,758
Foreign currency translation adjustments	491	(1,770)	(911)
Other comprehensive income (loss)	349	(1,526)	15,847
Comprehensive loss	$ (415,928)	$ (437,899)	$ (463,602)