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Secured Loans Receivable - Schedule of Financing Receivable Credit Quality Indicators (Details)

v3.25.0.1
Secured Loans Receivable - Schedule of Financing Receivable Credit Quality Indicators (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Jun. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 98,461 $ 113,067
Bullion and Numismatic and Semi-numismatic and Graded Sports Memorabilia    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 98,461 $ 113,067
Secured loans (current), percentage 100.00% 100.00%
Loan-to-value of 75% or More | Bullion and Numismatic and Semi-numismatic and Graded Sports Memorabilia    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 13,797 $ 11,870
Secured loans (current), percentage 14.00% 10.50%
Loan-to-value of Less than 75% | Bullion and Numismatic and Semi-numismatic and Graded Sports Memorabilia    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 84,664 $ 101,197
Secured loans (current), percentage 86.00% 89.50%