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Other Financial Liabilities (debt) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Current debt: |  |  |
Lease liabilities (a) | $ 3,609 | $ 3,692 |
Non-current debt: |  |  |
Lease liabilities (a) | 4,230 | 3,811 |
Less : Debt issuance cost | (3,205) | (3,124) |
Total non-current financial liabilities | 506,567 | 305,996 |
Sociedad Minera El Brocal S.A.A |  |  |
Current debt: |  |  |
Lease liabilities (a) | 10,223 | 8,855 |
Non-current debt: |  |  |
Senior unsecured credit facility (a) | 525,000 | 830,000 |
Lease liabilities (a) | 68,994 | 76,944 |
Less : Debt issuance cost | (1,549) | (4,124) |
Total non-current financial liabilities | 592,445 | 902,820 |
Total other financial liabilities | $ 602,668 | $ 911,675 | $ 1,118,538

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