v3.26.1
Summary of Significant Accounting Policies - Summary of Fair Value Estimates (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Assets        
Investment in BCH $ 76,558 $ 202,961 $ 135,014 $ 92,012
Level 1        
Assets        
Investment in BCH 76,558 202,961    
Level 2        
Assets        
Investment in BCH 0 0    
Level 3        
Assets        
Investment in BCH $ 0 $ 0