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Contingencies and restrictions (Details 2) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | The Bank of Nova Scotia |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | $ 0
Guarantee One [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Australian and New Zealand Bank |
Debtor Name | SQM North America Corp |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Two [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Australian and New Zealand Bank |
Debtor Name | SQM Europe N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Three [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Generale Bank |
Debtor Name | SQM North America Corp |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Four [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Generale Bank |
Debtor Name | SQM Europe N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Five [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Kredietbank |
Debtor Name | SQM North America Corp |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Six [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Kredietbank |
Debtor Name | SQM Europe N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Seven [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Bancos e Instituciones Financieras |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Eight [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Bancos e Instituciones Financieras |
Debtor Name | SQM Europe N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Nine [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Bancos e Instituciones Financieras |
Debtor Name | SQM North America Corp |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Ten [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Bancos e Instituciones Financieras |
Debtor Name | Nitratos Naturais do Chile Ltda. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Eleven [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Bancos e Instituciones Financieras |
Debtor Name | SQM México S.A. de C.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Twelve [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Bancos e Instituciones Financieras |
Debtor Name | SQM Brasil Ltda. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Thirteen [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | “BNP’’ |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Fourteen [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Sociedad Nacional de Minería A.G. |
Debtor Name | SQM Potasio S.A. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Fifteen [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Scotiabank & Trust (Cayman) Ltd. |
Debtor Name | Royal Seed Trading A.V.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Sixteen [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Scotiabank & Trust (Cayman) Ltd. |
Debtor Name | Royal Seed Trading A.V.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Seventeen [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Bank of America |
Debtor Name | Royal Seed Trading A.V.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Eighteen [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Export Development Canada |
Debtor Name | Royal Seed Trading A.V.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Nineteen [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | The Bank of Tokyo-Mitsubishi UFJ Ltd. |
Debtor Name | Royal Seed Trading A.V.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Twenty [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | JP Morgan Chase Bank |
Debtor Name | SQM Industrial S.A. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Twenty Two [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Morgan Stanley Capital Services |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Twenty Three [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | The Bank of Tokyo-Mitsubishi UFJ Ltd |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Twenty Four [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | HSBC |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Twenty Five [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Deutsche Bank AG |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | 0
Guarantee Twenty Six [Member] |  |
Disclosure of contingent liabilities [line items] |  |
Creditor of the guarantee | Credit Suisse International |
Debtor Name | SQM Investment Corp. N.V. |
Relationship with debtor | Subsidiary |
Type of guarantee | Guarantee |
Guarantor obligations, carrying value | $ 0 | $ 0

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