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Effect of fluctuations in foreign currency exchange rates - (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | $ (4,921) | $ (8,042) | $ (7,913)
Comercial Hydro S.A. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | 1,004 | 1,004 | 1,004
SQMC Internacional Ltda. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (9) | (9) | (9)
Proinsa Ltda. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (10) | (10) | (10)
Comercial Agrorama Ltda. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | 188 | 175 | 155
Isapre Norte Grande Ltda. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (147) | (130) | (121)
Almacenes y Depósitos Ltda. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | 662 | 568 | 305
Sacal S.A. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (3) | (3) | (3)
Sociedad Prestadora De Servicios De Salud Cruz Del Norte S.A. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (41) | (38) | (36)
Agrorama S.A. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | 730 | 666 | 628
SQM Vitas Fzco |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (1,164) | (3,614) | (4,165)
Ajay Europe |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (1,529) | (1,911) | (1,413)
SQM Oceanía Pty Ltd. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (579) | (579) | (579)
SQM Indonesia S.A. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (124) | (124) | (124)
Abu Dhabi Fertillizers Industries WWL. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | 0 | 0 | 372
SQM Holland B.V. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | 99 | 99 | 99
SQM Thailand Limited |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (68) | (68) | (68)
SQM Europe |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (1,983) | (1,983) | (1,983)
SQM Australia Pty Ltd |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (1,643) | (1,642) | (1,732)
Pavoni & C. Spa |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | (224) | (363) | (153)
SQM Colombia S.A.S. |  |  |
Changes in equity [abstract] |  |  |
Reserve for currency exchange conversion | $ (80) | $ (80) | $ (80)

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- Definition A component of equity representing exchange differences on translation of financial statements recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2023-01-01 -Paragraph 52 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2023-en-r&anchor=para_52_b&doctype=Standard -URIDate 2023-03-23 + Details
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