Quarterly report pursuant to Section 13 or 15(d)

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

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Secured Loans Receivable - Schedule of Financing Receivable Credit Quality Indicators (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Jun. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) [1] $ 96,856 $ 126,217
Bullion and Numismatic and Semi-numismatic and Graded Sports Memorabilia    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 96,856 $ 126,217
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) $ 6,831 $ 76,714
Secured loans (current), percentage 7.10% 60.80%
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) $ 90,025 $ 49,503
Secured loans (current), percentage 92.90% 39.20%
[1] Includes amounts of the consolidated variable interest entity, which are presented separately in the table below.