Income Taxes - Pretax loss from operations (Details) - USD ($) $ in Thousands	5 Months Ended	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Income Taxes
U.S.	$ (76,889)	$ (36,517)
Foreign	(22)	(73)
Pretax loss from operations	$ (76,911)	$ (36,590)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details