v3.26.1
Schedule of Trust Investments Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]      
Total $ 163,840 [1] $ 85,235 [1] $ 43,136
Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total 163,840 85,235  
Fair Value, Inputs, Level 1 [Member] | Platinum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total 163,840 85,235  
Fair Value, Inputs, Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total  
Fair Value, Inputs, Level 2 [Member] | Platinum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total  
Fair Value, Inputs, Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total  
Fair Value, Inputs, Level 3 [Member] | Platinum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total  
[1] Cost of investment in platinum: $164,519 and $65,762, respectively.