v3.26.3
Investments - Schedule of Investments that Do Not Readily Determinable Fair Values (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Mar. 31, 2026
Debt Securities, Available-for-Sale [Line Items]    
Total $ 17,800  
SISU SPV, LLC    
Debt Securities, Available-for-Sale [Line Items]    
Total 12,800 $ 12,800
Deployable Energy Limited SAFE    
Debt Securities, Available-for-Sale [Line Items]    
Total $ 5,000