Description of Organization and Business Operations - Liquidity and Going Concern (Details) - USD ($) $ in Thousands	5 Months Ended		7 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Jul. 30, 2024	Dec. 31, 2023
Description of Organization and Business Operations
Cash and cash equivalents	$ 20,586	$ 20,586		$ 1,383
Accumulated deficit	(70,586)	(70,586)		(133,649)
Net loss	$ (53,763)	(53,763)	$ (21,278)	(36,590)
Net cash used in operating activities		$ (13,469)	$ (15,990)	$ (25,652)