v3.26.1
Summary of Significant Accounting Policies - Summary of Fair Value Estimates (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Assets        
Investment in BCH $ 181,031 $ 202,961 $ 118,122 $ 135,014
Level 1        
Assets        
Investment in BCH 181,031 202,961    
Level 2        
Assets        
Investment in BCH 0 0    
Level 3        
Assets        
Investment in BCH $ 0 $ 0