Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Net loss	$ (125,695)	$ (120,965)
Other comprehensive loss:
Unrealized loss on investments	(1,462)	(303)
Pension actuarial gain	36	45
Total other comprehensive loss	(1,426)	(258)
Comprehensive loss	$ (127,121)	$ (121,223)