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Related party disclosures (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | 96,529,340-k |  | Oman |
Nature |  | Joint venture |  | Joint venture |
Country of origin |  | Jordan | [1] | United States |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  | $ 149,978 |  | $ 268,237 | $ 212,191
Dividend income |  | 2,807 |  |  |
Revenue from rendering of services, related party transactions |  | 0 |  |  |
Amounts receivable, related party transactions | [2] | $ 0 |  |  |
Doktor Tarsa Tarim Sanayi AS [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | Turkey |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 17,538 | 11,619
Ajay Europe S.A.R.L [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | France |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 15,706 | 17,977
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 |  |  |  | 969 | 1,338
Ajay North America LLC. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | United States |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  | $ 16,810 |  | 13,206 | 12,865
Abu Dhabi Fertilizer Industries WWL [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | United Arab Emirates |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | $ 4,351 | 8,312
Charlee SQM Thailand Co. Ltd. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID | [3],[4] | Foreign |  |  |
Nature | [4] | Associate | [3] | Associate |
Country of origin | [4] | Thailand | [3] | Thailand |
Transaction | [3] | Sale of products |  |  |
Revenue from sale of goods, related party transactions | [3] | $ 4,960 |  | $ 5,102 | 3,798
Sales de Magnesio Ltda. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | 77.557.430-5 |  |  |
Nature |  | Associate |  |  |
Country of origin |  | Chile |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 45 | 0
Kowa Company Ltd. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID | [5] | Foreign |  |  |
Nature | [5] | Other related parties |  |  |
Country of origin | [5] | Japan |  |  |
Transaction | [5] | Sale of products |  |  |
Revenue from sale of goods, related party transactions | [5] |  |  | 132,495 | 91,678
SQM Vitas Brasil Agroindustria [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint control or significant influence |  |  |
Country of origin |  | Brazil |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 31,137 | 17,686
SQM Vitas Peru S.A.C. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint control or significant influence |  |  |
Country of origin |  | Peru |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 23,058 | 22,090
SQM Vitas Fzco. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | United Arab Emirates |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 85 | 965
Sichuan SQM Migao Chemical Fertilizers Co Ltda. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | China |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 0 | 9,950
Coromandel SQM India [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | India |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 8,011 | 4,630
SQM Vitas Spain [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | Spain |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 0 | 5,528
SQM Vitas Plantacote B.V [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | Netherlands |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 0 | 49
SQM Star Qingdao Corp Nutrition Co., Ltd. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | China |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 200 | 166
SQM Vitas Holland B.V. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | Holland |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 0 | 634
Callegari Agricola S.A. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | 79.049.778-9 |  |  |
Nature |  | Other related parties |  |  |
Country of origin |  | Chile |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 210 | 44
Minera Exar S.A. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID | [2],[6] | Foreign |  |  |
Nature | [2],[6] | Joint venture |  |  |
Country of origin | [6] | Argentina |  |  |
Transaction | [2] | Loans |  |  |
Amounts receivable, related party transactions | [2] |  |  | 11,000 | 0
Terra Tarsa Ukraine LLC [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | Turkey |  |  |
Transaction |  | Sale of services |  |  |
Revenue from rendering of services, related party transactions |  |  |  | 1,218 | 0
Terra Tarsa Don LLC [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | Russian Federation |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 423 | 0
Plantacote N.V [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | Belgium |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  |  |  | 2,108 | 0
Ajay North America LLC. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | United States |  |  |
Transaction |  | Dividends |  |  |
Dividend income |  |  |  | 1,123 | 2,605
Charlee SQM Thailand Co. Ltd. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID | [3] | Foreign |  |  |
Nature | [3] | Associate |  |  |
Country of origin | [3] | Thailand |  |  |
Transaction | [3] | Dividends |  |  |
Dividend income | [3] |  |  | 0 | 0
Sichuan SQM Migao Chemical Fertilizers Co Ltda. [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | China |  |  |
Transaction |  | Sale of services |  |  |
Revenue from rendering of services, related party transactions |  |  |  | 252 | 257
Abu Dhabi Fertilizer Industries WWL [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | United Arab Emirates |  |  |
Transaction |  | Dividends |  |  |
Dividend income |  |  |  | 0 | 0
SQM Eastmed Turkey [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Associate |  |  |
Country of origin |  | Turkey |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  | $ 30 |  | 0 | 0
Pavoni & C, SPA [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreign |  |  |
Nature |  | Joint venture |  |  |
Country of origin |  | Italy |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  | $ 201 |  | 0 | 0
Arpa Speciali SRL [Member] |  |  |  |  |
Related party disclosures [Line Items] |  |  |  |  |
Tax ID |  | Foreing |  |  |
Nature |  | Other related parties |  |  |
Country of origin |  | Italy |  |  |
Transaction |  | Sale of products |  |  |
Revenue from sale of goods, related party transactions |  | $ 207 |  | $ 0 | $ 0
[1] | These Companies are subsidiaries of the joint venture Abu Dhabi Fertilizer Industries WWL
[2] | During the month of December 2018, the stake held in Minera Exar S.A. was sold.
[3] | As of November 2018, the ownership interest in Charlee SQM Thailand Co. Ltd. was sold.
[4] | During the month of November 2018, the stake held in Charlee SQM Thailand Co. Ltd. was sold.
[5] | As of December 31, 2018, Kowa Company Ltd. is not considered a related party.
[6] | During the month of December 2018, the stake held in Minera Exar S.A.

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