Contract Obligations (Tables) |
6 Months Ended |
|---|---|
Jun. 30, 2025 | |
| Contract Obligations [Abstract] | |
| Schedule of Contract Obligations | (US$ thousands) June 30, 2025 December 31, 2024 Current Coal leases contract liability $ 843 $ 843 Stanwell below market coal supply agreement 21,140 36,247 $ 21,983 $ 37,090 Non-current Coal leases contract liability $ 18,981 $ 19,156 Stanwell below market coal supply agreement 13,101 8,616 Deferred consideration liability 319,082 285,050 Prepaid coal supply liability - Stanwell 97,823 — $ 448,987 $ 312,822 |