Other Assets (Tables)	12 Months Ended
Other Assets (Tables)	Dec. 31, 2025
Other Assets [Abstract]
Schedule of Other Assets	December 31, (US$ thousands) 2025 2024 Other current assets: Prepayments $ 43,797 $ 40,465 Long service leave receivable 7,560 7,193 Tax credits receivable 3,834 4,004 Deposits to acquire mining equipment 10,781 37,888 Derivative assets (refer to Note 21. Derivatives and Fair Value Measurement) 2,523 — Other 19,183 20,725 Total other current assets $ 87,678 $ 110,275 Other non-current assets: Deferred debt issue costs $ 2,833 $ 3,285 Long service leave receivable 953 1,527 Tax credits receivable 1,625 1,530 Total other non-current assets $ 5,411 $ 6,342