Consolidated statements of comprehensive income (loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (136,227)	$ (168,627)	$ (207,043)
Other comprehensive income (loss), net of tax :
Change in foreign currency translation adjustments	289	(1,200)	1,473
Unrealized gain (loss) from debt securities	0	0	445
Pension benefit plan	1,770	1,169	(4,954)
Total comprehensive income (loss)	$ (134,168)	$ (168,658)	$ (210,079)