CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (38,760)	$ (53,061)	$ (207,043)
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	(327)	300	1,473
Unrealized gain (loss) from debt securities	0	357	445
Pension benefit plan	1,649	(915)	(4,954)
Total comprehensive income (loss)	$ (37,438)	$ (53,319)	$ (210,079)