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
Dec. 31, 2023
Jun. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) [1] $ 106,565 $ 100,620
Bullion and Numismatic and Semi-numismatic and Graded Sports Memorabilia    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 106,565 $ 100,620
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) $ 7,188 $ 10,242
Secured loans (current), percentage 6.70% 10.20%
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) $ 99,377 $ 90,378
Secured loans (current), percentage 93.30% 89.80%
[1] Includes amounts of the consolidated variable interest entity as of June 30, 2023, which are presented separately in the table below.