Revenue (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2025	Sep. 11, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,512	$ 4,222	$ 3,650
Investment advisory fees
Disaggregation of Revenue [Line Items]
Total revenue	1,495	4,187	3,592
Other revenue
Disaggregation of Revenue [Line Items]
Total revenue	$ 17	$ 35	$ 58