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COMMITMENTS AND CONTINGENCIES - Lease Obligations and Purchase Commitments (Details) $ in Thousands | Dec. 31, 2021 USD ($)
--- | ---
Mining and surface rights |
2022 | $ 492
2023 | 488
2024 | 470
2025 | 443
Total | 1,893
Exploration |
2022 | 8,116
2023 | 15,080
Total | 23,196
Reclamation costs |
2022 | 6,358
2023 | 5,873
2024 | 525
2025 | 1,186
Thereafter | 29,215
Total | 43,157
Long-term debt |
2022 | 4,875
2023 | 14,712
2024 | 32,710
2025 | 10,027
Total | 62,324
Lease obligations |
2022 | 2,949
2023 | 1,058
2024 | 441
Total | 4,448
Total |
2022 | 22,791
2023 | 37,210
2024 | 34,146
2025 | 11,656
Thereafter | 29,215
Total | $ 135,018

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