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Disclosures on reserves in Equity (Details 6) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Background of companies included in consolidation [Line Items] |  |  |
Profit (loss) attributable to non-controlling interests | $ 2,711 | $ 2,397 | $ 733
Equity, non-controlling interests | 48,205 | 52,311 | 59,646
Total | $ 6,817 | 9,733 | 2,253
Proinsa Ltda. |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 0.10% |  |
Profit (loss) attributable to non-controlling interests | $ 0 | 0 | 0
Equity, non-controlling interests | 0 | 0 | 0
Total | $ 0 | 0 | 0
SQM Potasio S.A. |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 0.00001% |  |
Profit (loss) attributable to non-controlling interests | $ 0 | 0 | 0
Equity, non-controlling interests | 0 | 0 | 0
Total | $ 0 | 0 | 0
Ajay SQM Chile S.A. |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 49.00% |  |
Profit (loss) attributable to non-controlling interests | $ 740 | 1,176 | 1,023
Equity, non-controlling interests | 8,517 | 8,659 | 8,306
Total | $ 882 | 823 | 989
Soquimich Comercial S.A. |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 39.36168% |  |
Profit (loss) attributable to non-controlling interests | $ 1,999 | 1,375 | 100
Equity, non-controlling interests | 38,103 | 41,855 | 49,247
Total | $ 5,935 | 8,910 | 1,264
Comercial Agrorama Ltda. |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 30.00% |  |
Profit (loss) attributable to non-controlling interests | $ (251) | (318) | (403)
Equity, non-controlling interests | (693) | (481) | (184)
Total | $ 0 | 0 | 0
Agrorama S.A. |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 0.001% |  |
Profit (loss) attributable to non-controlling interests | $ 0 | 0 |
Equity, non-controlling interests | 0 | 0 | 0
Total | $ 0 | 0 | 0
Orcoma Estudios SPA |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 49.00% |  |
Profit (loss) attributable to non-controlling interests | $ 0 | 0 | 0
Equity, non-controlling interests | 2,277 | 2,277 | 2,277
Total | $ 0 | 0 | 0
SQM Indonesia S.A. |  |  |
Background of companies included in consolidation [Line Items] |  |  |
% of interests in the ownership held by non- controlling interests. | 20.00% |  |
Profit (loss) attributable to non-controlling interests | $ 0 | 0 | 0
Equity, non-controlling interests | 1 | 1 | 0
Total | $ 0 | $ 0 | $ 0

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