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Debt | 6 Months Ended
--- | ---
Jun. 30, 2025
Debt Disclosure [Abstract] |
Debt Disclosure | DEBT
| June 30, 2025 |  | December 31, 2024
In thousands | Current |  | Non-Current |  | Current |  | Non-Current
2029 Senior Notes, net(1) | $ | — |  |  | $ | 290,425 |  |  | $ | — |  |  | $ | 290,058 |
Revolving Credit Facility(2) | — |  |  | — |  |  | — |  |  | 195,000 |
Finance lease obligations | 29,889 |  |  | 60,408 |  |  | 31,380 |  |  | 73,620 |
| $ | 29,889 |  |  | $ | 350,833 |  |  | $ | 31,380 |  |  | $ | 558,678 |
(1) Net of unamortized debt issuance costs of $2.7 million and $3.1 million at June 30, 2025 and December 31, 2024, respectively. (2) Unamortized debt issuance costs of $2.7 million and $3.4 million at June 30, 2025 and December 31, 2024, respectively, included in Other Non-Current Assets. 2029 Senior Notes In March 2021, the Company completed an offering of $375.0 million in aggregate principal amount of senior notes in a private placement conducted pursuant to Rule 144A and Regulation S under the Securities Act of 1933, as amended, for net proceeds of approximately $367.5 million (the “2029 Senior Notes”). For more details, please see Note 8 -- Debt contained in the 2024 10-K. Revolving Credit Facility At June 30, 2025, the Company had no outstanding draws, $20.2 million in outstanding letters of credit and $379.8 million available under the revolving credit facility (“RCF”). Future borrowing may be subject to certain financial covenants. Finance Lease Obligations From time to time, the Company acquires mining equipment and facilities under finance lease agreements. In the six months ended June 30, 2025, the Company entered into a new lease financing arrangement for mining equipment at Rochester for $0.8 million at an interest rate of 7.2%. All finance lease obligations are recorded, upon lease inception, at the present value of future minimum lease payments. For more details, please see Note 7 -- Leases in the 2024 10-K. Interest Expense
| Three Months Ended June 30, |  | Six Months Ended June 30,
In thousands | 2025 |  | 2024 |  | 2025 |  | 2024 |  |
2029 Senior Notes | $ | 3,755 |  |  | $ | 3,755 |  |  | $ | 7,511 |  |  | $ | 7,575 |  |  |
Revolving Credit Facility | 2,434 |  |  | 7,518 |  |  | 6,639 |  |  | 13,972 |  |  |
Finance lease obligations | 1,561 |  |  | 997 |  |  | 3,219 |  |  | 2,256 |  |  |
Amortization of debt issuance costs | 581 |  |  | 579 |  |  | 1,162 |  |  | 1,198 |  |  |
Other obligations | 314 |  |  | 757 |  |  | 959 |  |  | 1,554 |  |  |
Capitalized interest | (394) |  |  | (444) |  |  | (789) |  |  | (446) |  |  |
Total interest expense, net of capitalized interest | $ | 8,251 |  |  | $ | 13,162 |  |  | $ | 18,701 |  |  | $ | 26,109 |  |  |

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A Reference 2: http://www.xbrl.org/2003/role/disclosureRef 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