CONSOLIDATED AND COMBINED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (42,956)	$ (50,049)	$ (141,393)	$ (119,833)
Other comprehensive income (loss):
Other comprehensive income related to equity method investees	27,218	5,504	28,322	120,934
Change in pension and other employee benefit accounts	(537)	(11)	25,606	(35)
Total comprehensive (loss) income	(16,275)	(44,556)	(87,465)	1,066
Comprehensive loss attributable to non-controlling interests	(9,963)	(9,932)	(32,053)	(30,101)
Comprehensive (loss) income attributable to stockholders	$ (6,312)	$ (34,624)	$ (55,412)	$ 31,167