v3.26.1
Long-Term Investments - Schedule of Carrying Value and Ownership Percentage of Investment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 27,000 $ 32,700
Carrying Value 26,986 33,015
Sunshine Minting, Inc.    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value [1] $ 0 $ 17,876
Ownership Percentage [1] 0.00% 44.90%
Company A    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 0 $ 283
Ownership Percentage 0.00% 33.30%
Company B    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 2,326 $ 2,194
Ownership Percentage 50.00% 50.00%
Texas Precious Metals, LLC    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 9,074 $ 7,547
Ownership Percentage 12.00% 12.00%
Atkinsons Bullion & Coins    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value [2] $ 14,353 $ 3,733
Ownership Percentage [2] 49.50% 25.00%
Company C    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 174 $ 43
Ownership Percentage 33.30% 33.30%
Company D    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 823 $ 1,009
Ownership Percentage 20.00% 20.00%
Company E    
Schedule Of Equity And Cost Method Investments [Line Items]    
Carrying Value $ 236 $ 330
Ownership Percentage 5.00% 5.00%
[1] In April 2026, the Company acquired the remaining outstanding equity interests of SMI; see Note 1 for further information.
[2] The Company holds an option, exercisable beginning in December 2027, to acquire additional ownership interest which would give the Company control of the investee if exercised.