Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.0.1
Long-Term Investments - Schedule of Carrying Value and Ownership Percentage of Investment (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Jun. 30, 2023
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 91,600 $ 88,300
Carrying Value 91,886 88,535
Silver Gold Bull, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 44,523 $ 44,699
Ownership Percentage 47.40% 47.40%
Pinehurst Coin Exchange, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 16,516 $ 15,999
Ownership Percentage 49.00% 49.00%
Sunshine Minting, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 19,358 $ 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 $ 1,999 $ 2,005
Ownership Percentage 50.00% 50.00%
Texas Precious Metals, LLC    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 6,658 $ 5,465
Ownership Percentage 12.00% 12.00%
Atkinsons Bullion & Coins    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 2,549 $ 2,415
Ownership Percentage 25.00% 25.00%