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
Mar. 31, 2024
Jun. 30, 2023
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 93,500 $ 88,300
Carrying Value 93,735 88,535
Silver Gold Bull, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 43,753 $ 44,699
Ownership Percentage 47.40% 47.40%
Pinehurst Coin Exchange, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 16,994 $ 15,999
Ownership Percentage 49.00% 49.00%
Sunshine Minting, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 19,356 $ 17,719
Ownership Percentage 44.90% 44.90%
Company A    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 283 $ 233
Ownership Percentage 33.30% 33.30%
Company B    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 2,015 $ 2,005
Ownership Percentage 50.00% 50.00%
Texas Precious Metals, LLC    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 6,734 $ 5,465
Ownership Percentage 12.00% 12.00%
Atkinsons Bullion & Coins    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 2,537 $ 2,415
Ownership Percentage 25.00% 25.00%
APS Investment, LLC    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 2,063 $ 0
Ownership Percentage 33.30% [1] 0.00%
[1] APS Investment, LLC is a holding company that owns a 10% equity interest in AMS Holding, LLC. Pinehurst Coin Exchange, Inc. and Stack's Bowers Numismatics, LLC also each own a one-third equity interest in APS Investment, LLC.