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COMMITMENTS AND CONTINGENCIES (Tables) | 12 Months Ended
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Dec. 31, 2020
COMMITMENTS AND CONTINGENCIES |
Schedule of minimum commitments and related payments due |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Payments due by period
​ | ​ | 2021 | ​ | 2022 | ​ | 2023 | ​ | 2024 | ​ | Thereafter | ​ | Total
Mining and surface rights | ​ | $ | 2,233 | ​ | $ | 492 | ​ | $ | 488 | ​ | $ | 470 | ​ | $ | 443 | $ | 4,126
Reclamation costs(1) | ​ | ​ | 2,819 | ​ | ​ | 5,363 | ​ | ​ | 5,510 | ​ | ​ | 564 | ​ | ​ | 27,428 | ​ | 41,684
Long-term debt (Note 12) | ​ | ​ | 4,875 | ​ | ​ | 14,712 | ​ | ​ | 42,139 | ​ | ​ | — | ​ | ​ | — | ​ | 61,726
Lease obligations (Note 11) | ​ | ​ | 2,695 | ​ | ​ | 2,416 | ​ | ​ | 508 | ​ | ​ | 180 | ​ | ​ | — | ​ | 5,799
Total | ​ | $ | 12,622 | ​ | $ | 22,983 | ​ | $ | 48,645 | ​ | $ | 1,214 | ​ | $ | 27,871 | $ | 113,335
(1) | Amounts presented represent the undiscounted uninflated future payments.
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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
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