CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (30,570)	$ (49,485)	$ (102,705)	$ (159,964)	$ (207,043)
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	64	826	(161)	1,655	1,473
Unrealized gain (loss) from debt securities		15	0	440	445
Pension benefit plan	(1,927)	(852)	252	(1,654)	(4,954)
Total comprehensive income (loss)	$ (32,433)	$ (49,496)	$ (102,614)	$ (159,523)	$ (210,079)