Property, Plant and Equipment	12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment	10. Property, Plant and Equipment The following table indicates the carrying amount of each of the major classes of the Company’s consolidated depreciable assets: December 31, (US$ thousands) 2025 2024 Land $ 29,008 $ 28,130 Buildings and improvements 138,771 123,662 Plant, machinery, mining equipment and transportation vehicles 1,516,095 1,259,620 Mineral rights and reserves 370,393 379,065 Office and computer equipment 20,063 9,654 Mine development 694,779 550,110 Asset retirement obligation asset 79,094 90,318 Construction in progress 103,011 190,124 Total cost of property, plant and equipment 2,951,214 2,630,683 Less accumulated depreciation, depletion and amortization 1,296,759 1,123,553 Property, plant and equipment, net $ 1,654,455 $ 1,507,130 The amount of depreciation and amortization expense for property, plant and equipment for the years ended December 31, 2025, 2024 and 2023 was $ 173.4 million, $ 175.4 million and $ 152.4 million, respectively.

Property, Plant and Equipment

12 Months Ended

Dec. 31, 2025

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

10.

Property, Plant and

Equipment

The following

table indicates

the carrying

amount of

each of

the major

classes of

the Company’s

consolidated

depreciable assets:

December 31,

(US$ thousands)

2025

2024

Land

29,008

28,130

Buildings and improvements

138,771

123,662

Plant, machinery, mining

equipment and transportation vehicles

1,516,095

1,259,620

Mineral rights and reserves

370,393

379,065

Office and computer equipment

20,063

9,654

Mine development

694,779

550,110

Asset retirement obligation asset

79,094

90,318

Construction in progress

103,011

190,124

Total

cost of property,

plant and equipment

2,951,214

2,630,683

Less accumulated depreciation, depletion and amortization

1,296,759

1,123,553

Property, plant and

equipment, net

1,654,455

1,507,130

The amount of depreciation and amortization expense

for property, plant

and equipment for the years ended

December 31, 2025, 2024 and 2023 was $

173.4

million, $

175.4

million and $

152.4

million, respectively.