Annual report pursuant to Section 13 and 15(d)

Secured Loans Receivable - Additional Information (Details)

v3.20.2
Secured Loans Receivable - Additional Information (Details)
12 Months Ended
Jun. 30, 2020
USD ($)
loan
Jun. 30, 2019
USD ($)
loan
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans receivable average effective rate of interest (percentage) 8.90% 10.20%
Loans receivable payment terms for interest 180 days  
Loan receivable liquidation period post default 20 days  
Number of loans | loan 0 0
Loan impairment costs | $ $ 0 $ 0
Maximum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Percentage of loan balance outstanding 85.00%  
Secured loans-to-value percentage 100.00% 100.00%
Bullion    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Percentage of Loan-to-value ratio 75.00%  
Numismatic and Semi-numismatic    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Percentage of Loan-to-value ratio 65.00%