Earnings (Loss) per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended					7 Months Ended	9 Months Ended
	Mar. 31, 2025	Mar. 12, 2025	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator
Net income (loss)	$ (10,936)	$ 72,216	$ (317,476)	$ (245,831)	$ (308,243)	$ (192,927)	$ (142,635)	$ (574,243)	$ (643,805)
Denominator
Weighted-average shares outstanding, basic (in shares)		109,525	40,322		109,521			35,521	109,486
Effect of dilutive shares (in shares)		0	0		0			0	0
Adjusted weighted-average shares outstanding, diluted (in shares)		109,525	40,322		109,521			35,521	109,486
Earnings (loss) per share
Basic earnings (loss) per common share (in dollars per share)		$ 0.66	$ (7.87)		$ (2.81)			$ (16.17)	$ (5.88)
Diluted earnings (loss) per common share (in dollars per share)		$ 0.66	$ (7.87)		$ (2.81)			$ (16.17)	$ (5.88)