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Disclosures on reserves in Equity (Details 4) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Disclosure of Disclosures on equity [Line Items] |  |  |
Equity before adjustments | $ 15,874 | $ 15,763 | $ 13,009
Total Other reserves | 16,318 | 14,086 | 11,332
SQM Iberian S.A. [Member] |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |
Equity before adjustments | 9,464 | 9,464 | 9,464
Adjustments to equity | (1,677) | (1,677) | (1,677)
SQM Europe N.V. [Member] |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |
Equity before adjustments | 1,957 | 1,957 | 1,957
Soquimich European Holding B.V. [Member] |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |
Equity before adjustments | 828 | 828 | 828
Abu Dhabi Fertilizer Industries WWL [Member] |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |
Equity before adjustments | 455 | 455 | 455
Doktor Tarsa Tarim Sanayi AS [Member] |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |
Equity before adjustments | 0 | 305 | 305
Kore Potash PLC [Member] |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |
Equity before adjustments | 3,170 | 2,754 | 0
Orcoma Estudios SPA [Member] |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |
Adjustments to equity | $ 2,121 | $ 0 | $ 0

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