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Property, Plant and Equipment | 3 Months Ended
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Mar. 31, 2024
Property, Plant and Equipment [Abstract] |
PROPERTY, PLANT AND EQUIPMENT | PROPERTY, PLANT AND EQUIPMENT AND MINING PROPERTIES, NET Property, plant and equipment and mining properties, net consist of the following:
In thousands | March 31, 2024 |  | December 31, 2023
Mine development | $ | 1,377,235 |  |  | $ | 1,358,189 |
Mineral interests | 809,912 |  |  | 809,912 |
Land | 9,000 |  |  | 8,318 |
Facilities and equipment(1) | 1,416,594 |  |  | 947,435 |
Construction in progress(2) | 162,191 |  |  | 612,865 |
Total | $ | 3,774,932 |  |  | $ | 3,736,719 |
Accumulated depreciation, depletion and amortization(3) | (2,077,005) |  |  | (2,048,431) |
Property, plant and equipment and mining properties, net | $ | 1,697,927 |  |  | $ | 1,688,288 |
(1) Includes $120.8 million and $127.6 million associated with facilities and equipment assets under finance leases at March 31, 2024 and December 31, 2023, respectively. (2) Includes $18.0 million and $471.7 million of construction costs related to the Rochester Expansion project at March 31, 2024 and December 31, 2023, respectively. (3) Includes $40.1 million and $37.6 million of accumulated amortization related to assets under finance leases at March 31, 2024 and December 31, 2023, respectively. Commissioning of Rochester’s new three-stage crushing circuit and truck load-out facility was completed on March 7, 2024. The crushing circuit has routinely exceeded 70,000 tons per day since commissioning was completed leading to declaration of commercial production and $528 million of construction in process placed into service during the quarter. Ramp-up to sustained nameplate capacity of 88,000 tons per day remains on schedule for the end of the second quarter.

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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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