XML 85 R58.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Gold Bullion, Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Gold Bullion, Prepaid Expenses and Other Current Assets    
Gold bullion $ 69.9 $ 51.3
Prepaid expenses 27.4 30.0
Stream ounces inventory 0.5 0.5
Debt issue costs 0.4 0.6
Gold bullion, prepaid expenses and other current assets $ 98.2 $ 82.4