Quarterly report pursuant to Section 13 or 15(d)

Long-Term Investments - Schedule of Carrying Value and Ownership Percentage of Investment (Details)

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Long-Term Investments - Schedule of Carrying Value and Ownership Percentage of Investment (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Jun. 30, 2022
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 76,000 $ 70,600
Carrying Value 76,251 70,828
Silver Gold Bull, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 42,655 $ 41,251
Ownership Percentage 47.40% 47.40%
Pinehurst Coin Exchange, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 14,827 $ 13,843
Ownership Percentage 49.00% 49.00%
Sunshine Minting, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 16,531 $ 13,497
Ownership Percentage 44.90% 44.90%
Company A    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 233 $ 233
Ownership Percentage 33.30% 33.30%
Company B    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 2,005 $ 2,004
Ownership Percentage 50.00% 50.00%