Asset Retirement Obligations (Tables)	12 Months Ended
Dec. 31, 2025
Asset Retirement Obligations [Abstract]
Schedule of Changes in Asset Retirement Obligations	(US$ thousands) 2025 2024 Total asset retirement obligations at beginning of the year $ 164,798 $ 163,929 ARO liability relating to mining assets and development properties disposed (8,202) — ARO liability additions - new disturbances 669 1,997 Accretion 13,505 15,324 Reclamation performed in the year (5,106) (9,724) Change in estimate recorded to operations (2,009) (3,523) Change in estimate recorded to assets (17,326) 5,937 Foreign currency translation adjustment 8,037 (9,142) Total asset retirement obligations at end of the year 154,366 164,798 Less current portion (10,978) (15,523) Total asset retirement obligations, excluding current portion, at the end of the year $ 143,388 $ 149,275

Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2025

(US$ thousands)

2025

2024

Total

asset retirement obligations at beginning of the year

164,798

163,929

ARO liability relating to mining assets and development

properties disposed

(8,202)

—

ARO liability additions - new disturbances

669

1,997

Accretion

13,505

15,324

Reclamation performed in the year

(5,106)

(9,724)

Change in estimate recorded to operations

(2,009)

(3,523)

Change in estimate recorded to assets

(17,326)

5,937

Foreign currency translation adjustment

8,037

(9,142)

Total

asset retirement obligations at end of the year

154,366

164,798

Less current portion

(10,978)

(15,523)

Total

asset retirement obligations, excluding current portion, at the

end of the

year

143,388

149,275