Accrued Expenses and Other Current Liabilities	12 Months Ended
Accrued Expenses and Other Current Liabilities	Dec. 31, 2025
Accrued Expenses and Other Current Liabilities [Abstract]
Accrued Expenses and Other Current Liabilities	11. Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consist of the following: December 31, (US$ thousands) 2025 2024 Wages and employee benefits $ 42,652 $ 39,457 Taxes other than income taxes 6,440 6,062 Accrued royalties 37,818 36,111 Accrued freight costs 40,964 33,071 Accrued mining fees 132,754 84,538 Other liabilities 15,404 7,559 Total accrued expenses and other current liabilities $ 276,032 $ 206,798