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Property, Plant and Equipment (Tables) | 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 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.

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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