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MINERAL PROPERTIES, PLANT AND EQUIPMENT, NET | 12 Months Ended
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Dec. 31, 2024
Property, Plant and Equipment [Abstract] |
MINERAL PROPERTIES, PLANT AND EQUIPMENT, NET | MINERAL PROPERTIES, PLANT AND EQUIPMENT, NET The components of Mineral properties, plant and equipment, net were as follows (in thousands):
|  | December 31,
|  | 2024 |  | 2023
Plant and equipment (1) |  | $ | 1,883,193 |  |  | $ | 1,889,634 |
Construction in process |  |  | 135,594 |  |  |  | 86,304 |
Mineral properties subject to depletion |  |  | 2,114,765 |  |  |  | 2,085,678 |
Mineral properties not yet subject to depletion |  |  | 884,029 |  |  |  | 878,712 |
Exploration and evaluation assets |  |  | 254,146 |  |  |  | 253,842 |
Total mineral properties, plant, and equipment |  |  | 5,271,727 |  |  |  | 5,194,170 |
Accumulated depreciation, plant and equipment |  |  | (804,411) |  |  |  | (714,579) |
Accumulated depreciation, mineral properties |  |  | (684,449) |  |  |  | (606,705) |
Mineral properties, plant, and equipment, net |  | $ | 3,782,867 |  |  | $ | 3,872,886 |
(1)As of December 31, 2024 and 2023, plant and equipment includes finance lease right-of-use assets with a carrying amount of $78.9 million and $84.7, respectively. During the years ended December 31, 2024 and 2023, the Company concluded that mineral properties, plant and equipment was impaired and recorded a non-cash impairment. See Note 8 for further information relating to impairment of mineral properties, plant and equipment.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-7 + Details
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