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Financial instruments (Details 13) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Oct. 31, 2018
Financial instruments [Line Items] |  |  |
Company | SQM S.A. |  |
Notional amount | $ 39,031 | $ 282,914 |
Current maturities | 39,031 | 282,914 |
Borrowing costs | (2,250) | (2,336) |
Total | 36,781 | 280,578 |
NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 33,154 | 24,390 |
Current maturities | 33,154 | 24,390 |
LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 5,877 | 258,524 |
Current maturities | $ 5,877 | $ 258,524 |
Single series bond One [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | - | - |
Maturity date | 01/28/2021 | 04/21/2020 |
Currency or adjustment index | US$ | US$ |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 4.38% | 5.50% |
Effective rate | 1.95% | 0.43% |
Repayment | Upon maturity | Upon maturity |
Notional amount | $ 4,648 | $ 252,674 |
Current maturities | 4,648 | 252,674 |
Borrowing costs | (433) | (386) |
Total | 4,215 | 252,288 |
Single series bond One [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 4,648 | 0 |
Current maturities | 4,648 | 0 |
Single series bond One [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 252,674 |
Current maturities | $ 0 | $ 252,674 |
Single series bond Two [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | - | - |
Maturity date | 04/03/2021 | 01/28/2020 |
Currency or adjustment index | US$ | US$ |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 3.63% | 4.38% |
Effective rate | 1.08% | 2.35% |
Repayment | Upon maturity | Upon maturity |
Notional amount | $ 2,658 | $ 4,648 |
Current maturities | 2,658 | 4,648 |
Borrowing costs | (614) | (433) |
Total | 2,044 | 4,215 |
Single series bond Two [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 4,648 |
Current maturities | 0 | 4,648 |
Single series bond Two [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 2,658 | 0 |
Current maturities | $ 2,658 | $ 0 |
Single series bond Three [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | - | - |
Maturity date | 05/07/2021 | 04/03/2020 |
Currency or adjustment index | US$ | US$ |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 4.25% | 3.63% |
Effective rate | 3.59% | 1.42% |
Repayment | Upon maturity | Upon maturity |
Notional amount | $ 7,508 | $ 2,658 |
Current maturities | 7,508 | 2,658 |
Borrowing costs | (679) | (614) |
Total | 6,829 | 2,044 |
Single series bond Three [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 7,508 | 0 |
Current maturities | 7,508 | 0 |
Single series bond Three [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 2,658 |
Current maturities | $ 0 | $ 2,658 |
Single Series Bond Four [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | - | - |
Maturity date | 01/22/2021 | 05/07/2020 |
Currency or adjustment index | US$ | US$ |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 4.25% | 4.25% |
Effective rate | 4.17% | 4.07% |
Repayment | Upon maturity | Upon maturity |
Notional amount | $ 2,869 | $ 2,869 |
Current maturities | 2,869 | 2,869 |
Borrowing costs | (237) | (679) |
Total | 2,632 | 2,190 |
Single Series Bond Four [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 0 |
Current maturities | 0 | 0 |
Single Series Bond Four [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 2,869 | 2,869 |
Current maturities | $ 2,869 | $ 2,869 |
Series H bonds [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | 564 | 564 |
Maturity date | 01/05/2021 | 01/05/2020 |
Currency or adjustment index | UF | UF |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 4.90% | 4.90% |
Effective rate | 0.58% | 1.36% |
Repayment | Semiannual | Semiannual |
Notional amount | $ 18,212 | $ 17,166 |
Current maturities | 18,212 | 17,166 |
Borrowing costs | (172) | (139) |
Total | 18,040 | 17,027 |
Series H bonds [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 18,212 | 17,166 |
Current maturities | 18,212 | 17,166 |
Series H bonds [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 0 |
Current maturities | $ 0 | $ 0 |
Series O bonds [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | 699 | 699 |
Maturity date | 02/01/2021 | 02/01/2020 |
Currency or adjustment index | UF | UF |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 3.80% | 3.80% |
Effective rate | 2.24% | 2.41% |
Repayment | Upon maturity | Upon maturity |
Notional amount | $ 962 | $ 890 |
Current maturities | 962 | 890 |
Borrowing costs | (82) | (67) |
Total | 880 | 823 |
Series O bonds [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 962 | 890 |
Current maturities | 962 | 890 |
Series O bonds [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 0 |
Current maturities | $ 0 | $ 0 |
Series P bonds [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | 563 | 563 |
Maturity date | 01/15/2021 | 01/15/2020 |
Currency or adjustment index | UF | UF |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 3.25% | 3.25% |
Effective rate | 2.37% | 2.71% |
Repayment | Upon maturity | Upon maturity |
Notional amount | $ 1,824 | $ 1,686 |
Current maturities | 1,824 | 1,686 |
Borrowing costs | (12) | (12) |
Total | 1,812 | 1,674 |
Series P bonds [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 1,824 | 1,686 |
Current maturities | 1,824 | 1,686 |
Series P bonds [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 0 |
Current maturities | $ 0 | $ 0 |
Series Q bonds [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Number of registration or ID of the instrument | 700 | 700 |
Maturity date | 06/01/2021 | 06/01/2020 |
Currency or adjustment index | UF | UF |
Payment of interest | Semiannual | Semiannual |
Nominal rate | 3.45% | 3.45% |
Effective rate | 2.92% | 3.11% | 3.45%
Repayment | Upon maturity | Upon maturity |
Notional amount | $ 350 | $ 323 |
Current maturities | 350 | 323 |
Borrowing costs | (21) | (6) |
Total | 329 | 317 |
Series Q bonds [Member] | NotLaterThanThreeMonths [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 0 |
Current maturities | 0 | 0 |
Series Q bonds [Member] | LaterThanThreeMonthsAndNotLaterThanOneYear [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 350 | 323 |
Current maturities | $ 350 | $ 323 |

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