Summary of Significant Accounting Policies - Summary of Fair Value Estimates (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024	Jun. 30, 2023
Assets
Investment in BCH	$ 169,758	$ 135,014	$ 92,012
Level 1
Assets
Investment in BCH	169,758	135,014
Level 2
Assets
Investment in BCH	0	0
Level 3
Assets
Investment in BCH	$ 0	$ 0