CONSOLIDATED AND COMBINED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (48,140)	$ (33,872)	$ (98,437)	$ (69,784)
Other comprehensive income (loss):
Other comprehensive income related to equity method investees	22,219	62,578	1,104	115,430
Change in pension and other employee benefit accounts	26,156	(12)	26,143	(24)
Total comprehensive loss	235	28,694	(71,190)	45,622
Comprehensive loss attributable to non-controlling interests	(11,400)	(10,276)	(22,090)	(20,169)
Comprehensive income (loss) attributable to stockholders	$ 11,635	$ 38,970	$ (49,100)	$ 65,791