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Assets held for sale (Details 3) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Assets held for sale [Line Items] |  |  |
Accounts receivable from current related entities | $ (44,554) | $ (59,132) |
Investments accounted for using the equity method | (111,549) | (152,630) | $ (133,140)
Capital Gains | (6,205) |  |
Property, plant and equipment | (1,454,823) | (1,429,354) | (1,532,710)
Total Assets | (4,268,094) | (4,296,236) | (4,217,980)
Total liabilities | 2,130,292 | 2,048,768 | $ 1,910,708
Net assets | (69,978) |  |
Minera Exar S.A. [Member] |  |  |
Assets held for sale [Line Items] |  |  |
Accounts receivable from current related entities | (19,500) | 0 |
Investments accounted for using the equity method | (35,628) |  |
Capital Gains | (6,205) |  |
Property, plant and equipment | (6,302) |  |
Total Assets | (67,635) |  |
Total liabilities | 0 |  |
Net assets | (67,635) |  |
Charlee SQM Thailand Co. Ltd. [Member] |  |  |
Assets held for sale [Line Items] |  |  |
Accounts receivable from current related entities | 0 | $ (1,204) |
Investments accounted for using the equity method | (2,343) |  |
Capital Gains | 0 |  |
Property, plant and equipment | 0 |  |
Total Assets | (2,343) |  |
Total liabilities | 0 |  |
Net assets | $ (2,343) |  |

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