CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (33,375)	$ (57,418)	$ (72,135)	$ (110,479)	$ (207,043)
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	102	529	(225)	829	1,473
Unrealized gain (loss) from debt securities		68	0	425	445
Pension benefit plan	530	113	2,179	(802)	(4,954)
Total comprehensive income (loss)	$ (32,743)	$ (56,708)	$ (70,181)	$ (110,027)	$ (210,079)