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Related party disclosures (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Related party disclosures [Line Items] |  |  |
Tax ID | Total | Foreign |
Revenue from sale of goods, related party transactions | $ 159,117 | $ 150,969 | $ 268,237
Doktor Tarsa Tarim Sanayi AS [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Associate | Associate |
Country of origin | Turkey | Turkey |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 14,767 | $ 16,726 | 17,538
Ajay Europe S.A.R.L [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Associate | Associate |
Country of origin | France | France |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 21,348 | $ 19,470 | 15,706
Ajay Europe S,A.R.L. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Associate |  |
Country of origin | France |  |
Transaction | Dividends |  |
Dividend income | $ 1,055 | 811 | 969
Ajay North America LLC. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Associate |  |
Country of origin | United States of America |  |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 16,932 | $ 16,810 | 13,206
Abu Dhabi Fertilizer Industries WWL [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Associate | Associate |
Country of origin | Arab Emirates | United Arab Emirates |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 3,749 |  | 4,351
Dividend income | $ 0 |  |
Charlee SQM Thailand Co. Ltd. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Associate | Associate |
Country of origin | Thailand |  |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 0 | $ 4,960 | 5,102
Sales de Magnesio Ltda. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | 77.557.430-5 |  |
SQM Vitas Brasil Agroindustria [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Other related parties |  |
Country of origin | Brazil |  |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 46,876 | $ 44,827 | 31,137
SQM Vitas Peru S.A.C. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Other related parties | Other related parties |
Country of origin | Peru | Peru |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 24,138 | $ 17,204 | 23,058
SQM Vitas Fzco. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Joint venture | Joint venture |
Country of origin | Arab Emirates | United Arab Emirates dirham |
Transaction | Dividends |  |
Revenue from sale of goods, related party transactions | $ 10,598 | $ 0 | 85
Coromandel SQM India [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Joint venture | Joint venture |
Country of origin | India | India |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 3,955 | $ 7,696 | 8,011
SQM Star Qingdao Corp Nutrition Co., Ltd. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Joint venture | Joint venture |
Country of origin | China | China |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 1,929 | $ 0 | 200
Callegari Agricola S.A. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | 79.049.778-9 | 79.049.778-9 |
Nature | Other related parties | Other related parties |
Country of origin | Chile | Chile |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 0 | $ 0 | 210
Minera Exar S.A. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Joint venture |  |
Country of origin | Argentina |  |
Transaction | Loans |  |
Revenue from rendering of services, related party transactions | $ 0 | $ 0 | 11,000
Terra Tarsa Ukraine LLC [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Other related parties | Other related parties |
Country of origin | Ukraine | Ukraine |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 1,280 | $ 1,674 | 1,218
Terra Tarsa Don LLC [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Other related parties | Other related parties |
Country of origin | Russian Federation | Russian Federation |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 40 | $ 187 | 423
Plantacote N.V [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Other related parties | Other related parties |
Country of origin | Belgium | Belgium |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 4,096 | $ 4,554 | 2,108
Ajay North America LLC. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Associate |  |
Country of origin | United States of America |  |
Transaction | Dividends |  |
Dividend income | $ 2,796 | 2,807 | 1,123
Charlee SQM Thailand Co. Ltd. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Associate |  |
Country of origin | Thailand |  |
Transaction | Dividends |  |
Dividend income | $ 0 | 362 |
Sales de Magnesio Ltda. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Nature | Associate |  |
Country of origin | Chile |  |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 0 | 0 | 45
Kowa Company Ltd. [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Other related parties |  |
Country of origin | Japan |  |
Transaction | Sale of products |  |
Revenue from rendering of services, related party transactions | $ 0 | 0 | 132,495
Abu Dhabi Fertilizer Industries WWL [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Associate |  |
Country of origin | Arab Emirates |  |
Transaction | Dividends |  |
Revenue from sale of goods, related party transactions |  | 5,811 |
Dividend income |  | $ 6,632 |
SQM Eastmed Turkey [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Associate | Associate |
Country of origin | Turkey | Turkey |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 47 | $ 30 | 0
Pavoni & C, SPA [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Joint venture | Joint venture |
Country of origin | Italy | Italy |
Transaction | Sale of products |  |
Revenue from sale of goods, related party transactions | $ 3,152 | $ 201 | 0
Arpa Speciali SRL [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign | Foreign |
Nature | Other related parties | Other related parties |
Country of origin | Italy | Italy |
Transaction | Sale of products |  |
Amounts receivable, related party transactions | $ 2,359 | $ 207 | 0
Fertilizers Co Ltd [Member] |  |  |
Related party disclosures [Line Items] |  |  |
Tax ID | Foreign |  |
Nature | Joint venture |  |
Country of origin | China |  |
Transaction | Sale of services |  |
Revenue from sale of goods, related party transactions | $ 0 | $ 0 | $ 252

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