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Joint Ventures (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Sichuan SQM Migao Chemical Fertilizers Co Ltda. [Member] |  |  |
Description of the nature of the relationship |  | Production and distribution of soluble fertilizers. |
Principal place of business of joint venture |  | Huangjing Road, Dawan Town, Qingbaijiang District, Chengdu Municipality, Sichuan Province |
Country of incorporation of joint venture |  | China |
Proportion of ownership interest in joint venture |  | 50.00% |
Dividends received |  | $ 0 | $ 0
Coromandel SQM India [Member] |  |  |
Description of the nature of the relationship |  | Production and distribution of potassium nitrate. |
Principal place of business of joint venture |  | 1-2-10, Sardar Patel Road, Secunderabad– 500003 Andhra Pradesh |
Country of incorporation of joint venture |  | India |
Proportion of ownership interest in joint venture |  | 50.00% |
Dividends received |  | $ 0 | 0
SQM Vitas Fzco. [Member] |  |  |
Description of the nature of the relationship |  | Production and commercialization of specialty plant and animal nutrition and industrial hygiene. |
Principal place of business of joint venture |  | Jebel ALI Free Zone P.O. Box 18222, Dubai |
Country of incorporation of joint venture |  | United Arab Emirates |
Proportion of ownership interest in joint venture |  | 50.00% |
Dividends received |  | $ 0 | 0
SQM Star Qingdao Corp Nutrition Co., Ltd. [Member] |  |  |
Description of the nature of the relationship |  | Production and distribution of nutrient plant solutions with specialties NPK soluble |
Principal place of business of joint venture |  | Longquan Town, Jimo City, Qingdao Municipality, Shangdong Province |
Country of incorporation of joint venture |  | China |
Proportion of ownership interest in joint venture |  | 50.00% |
Dividends received |  | $ 0 | 0
SQM Vitas Holland B.V. [Member] |  |  |
Description of the nature of the relationship | [1] | Without information |
Principal place of business of joint venture | [1] | Herikerbergweg 238, 1101 CM Amsterdam Zuidoost |
Country of incorporation of joint venture | [1] | Holland |
Proportion of ownership interest in joint venture | [1] | 50.00% |
Dividends received | [1] | $ 0 | 0
Minera Exar S.A. [Member] |  |  |
Description of the nature of the relationship |  | Exploration and exploitation of minerals, processing and trading of such minerals |
Principal place of business of joint venture |  | Dr. Sabín 1082 Ciudad de Nieva– San Salvador de Jujuy- Jujuy- República Argentina |
Country of incorporation of joint venture |  | Argentina |
Proportion of ownership interest in joint venture |  | 50.00% |
Dividends received |  | $ 0 | 0
SQM Vitas Brazil Agroindustria [Member] |  |  |
Description of the nature of the relationship | [2] | Production and commercialization of specialty plant and animal nutrition and industrial hygiene. |
Principal place of business of joint venture | [2] | Via Cndeias, Km. 01 Sem Numero, Lote 4, Bairro Cia Norte, Candeias, Bahia. |
Country of incorporation of joint venture | [2] | Brazil |
Proportion of ownership interest in joint venture | [2] | 49.99% |
Dividends received | [2] | $ 0 | 0
SQM Vitas Peru S.A.C. [Member] |  |  |
Description of the nature of the relationship | [2] | Production and commercialization of specialty plant and animal nutrition and industrial hygiene |
Principal place of business of joint venture | [2] | Av. Juan de Arona 187, Torre B, Oficina 301-II, San Isidro, Lima |
Country of incorporation of joint venture | [2] | Peru |
Proportion of ownership interest in joint venture | [2] | 50.00% |
Dividends received | [2] | $ 0 | 0
SQM Vitas Plantacote B.V [Member] |  |  |
Description of the nature of the relationship | [3] | Production and commercialization of controlled-released fertilizers |
Principal place of business of joint venture | [3] | Herikerbergweg 238, 1101 CM Amsterdam Zuidoost |
Country of incorporation of joint venture | [3] | Holland |
Proportion of ownership interest in joint venture | [3] | 50.00% |
Dividends received | [3] | $ 0 | $ 0
[1] | During May 2016, SQM Vitas Holland B.V. sold its interest in SQM Vitas Spain, to SQM Iberian S.A. resulting in the latter obtaining 100% in this transaction generating a loss of ThUS$ 104.
[2] | SQM Vitas Fzco.
[3] | SQM Vitas Holland B.V.

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