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MINERAL PROPERTIES, PLANT AND EQUIPMENT, NET | 9 Months Ended
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Sep. 30, 2023
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 are as follows (in thousands):
| September 30, 2023 |  | December 31, 2022
Plant and equipment (1) | $ | 1,879,461 |  |  | $ | 1,793,914 |
Construction in process |  | 83,407 |  |  |  | 58,704 |
Mineral properties subject to depletion |  | 1,472,242 |  |  |  | 1,452,850 |
Mineral properties not yet subject to depletion |  | 1,548,188 |  |  |  | 848,281 |
Exploration and evaluation assets |  | 520,884 |  |  |  | 515,070 |
Total mineral properties, plant, and equipment |  | 5,504,182 |  |  |  | 4,668,819 |
Accumulated depreciation, plant and equipment |  | (687,184) |  |  |  | (621,323) |
Accumulated depletion, mineral properties |  | (571,982) |  |  |  | (498,050) |
Mineral properties, plant, and equipment, net | $ | 4,245,016 |  |  | $ | 3,549,446 |
(1) As of September 30, 2023 and December 31, 2022, plant and equipment includes finance lease right-of-use assets with a carrying amount of $97.7 million and $101.7 million, respectively. No impairment was recognized for the three and nine months ended September 30, 2023 and 2022.

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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//1943274/2147480321/958-360-50-6 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//1943274/2147480321/958-360-50-1 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//1943274/2147480321/958-360-50-7 + Details
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