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Joint Ventures (Details 3) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash and cash equivalents | $ 630,438 | $ 514,669 | $ 527,259 | $ 354,566
Other current financial liabilities | 220,328 | 179,144 |  |
Other non-current financial liabilities | 1,031,507 | 1,093,438 |  |
Depreciation and amortisation expense | (238,515) | (249,792) | (271,737) |
Interest Expense | (50,124) | (57,498) | (69,853) |
Sichuan SQM Migao Chemical Fertilizers Co Ltda. [Member] |  |  |  |
Cash and cash equivalents | 6,198 | 4,097 |  |
Other current financial liabilities | 0 | 0 |  |
Other non-current financial liabilities | 0 | 0 |  |
Depreciation and amortisation expense | (696) | (691) | (687) |
Interest Expense | (25) | (433) | (241) |
Income Tax Expense (Benefit) | 303 | 200 | 233 |
Coromandel SQM India [Member] |  |  |  |
Cash and cash equivalents | 1,118 | 15 |  |
Other current financial liabilities | 0 | 478 |  |
Other non-current financial liabilities | 0 | 0 |  |
Depreciation and amortisation expense | 0 | 0 | (69) |
Interest Expense | (16) | (49) | (73) |
Income Tax Expense (Benefit) | (485) | (44) | (89) |
SQM Vitas Fzco. [Member] |  |  |  |
Cash and cash equivalents | 15,307 | 11,514 |  |
Other current financial liabilities | 0 | 0 |  |
Other non-current financial liabilities | 0 | 0 |  |
Depreciation and amortisation expense | (553) | (717) | (1,067) |
Interest Expense | (19) | (16) | (10) |
Income Tax Expense (Benefit) | 0 | 0 | 0 |
SQM Star Qingdao Corp Nutrition Co., Ltd. [Member] |  |  |  |
Cash and cash equivalents | 3,675 | 3,756 |  |
Other current financial liabilities | 0 | 0 |  |
Other non-current financial liabilities | 0 | 0 |  |
Depreciation and amortisation expense | (68) | (64) | (66) |
Interest Expense | 0 | (1) | (2) |
Income Tax Expense (Benefit) | (174) | (195) | (378) |
SQM Vitas Brazil Agroindustria [Member] |  |  |  |
Cash and cash equivalents | 5,139 | 2,168 |  |
Other current financial liabilities | 7,342 | 8,718 |  |
Other non-current financial liabilities | 0 | 0 |  |
Depreciation and amortisation expense | (453) | (438) | (29) |
Interest Expense | (1,253) | (2,127) | (1,651) |
Income Tax Expense (Benefit) | (283) | (337) | (49) |
SQM Vitas Peru S.A.C. [Member] |  |  |  |
Cash and cash equivalents | 687 | 958 |  |
Other current financial liabilities | 2,215 | 3,834 |  |
Other non-current financial liabilities | 1,372 | 1,781 |  |
Depreciation and amortisation expense | (375) | (82) | (29) |
Interest Expense | (432) | (323) |  |
Income Tax Expense (Benefit) | (214) | (362) | (370) |
SQM Vitas Plantacote B.V [Member] |  |  |  |
Cash and cash equivalents | 679 | 615 |  |
Other current financial liabilities | 0 | 0 |  |
Other non-current financial liabilities | 0 | 0 |  |
Depreciation and amortisation expense | 0 | 0 | 0 |
Interest Expense | (1) | (1) |  |
Income Tax Expense (Benefit) | 0 | 0 | 0 |
SQM Vitas Holland B.V. [Member] |  |  |  |
Cash and cash equivalents | 2,190 | 1,961 |  |
Other current financial liabilities | 0 | 0 |  |
Other non-current financial liabilities | 0 | 0 |  |
Depreciation and amortisation expense | 0 | 0 | 0 |
Interest Expense | 0 | 0 | (2) |
Income Tax Expense (Benefit) | 0 | 0 | 0 |
Miera Exar S.A. [Member] |  |  |  |
Cash and cash equivalents | 9,189 | 0 |  |
Other current financial liabilities | 0 | 0 |  |
Other non-current financial liabilities | 0 |  |  |
Depreciation and amortisation expense | (523) | 0 | 0 |
Interest Expense | (32) | 0 | (3) |
Income Tax Expense (Benefit) | (620) | 0 | 0 |
SQM Vitas Spain [Member] |  |  |  |
Depreciation and amortisation expense | 0 | 0 | (116) |
Interest Expense | 0 | 0 | (4) |
Income Tax Expense (Benefit) | 0 | 0 | (73) |
Joint ventures [member] |  |  |  |
Cash and cash equivalents | 44,182 | 25,084 |  |
Other current financial liabilities | 9,557 | 13,030 |  |
Other non-current financial liabilities | 1,372 | 1,781 |  |
Depreciation and amortisation expense | (2,668) | (1,992) | (2,063) |
Interest Expense | (1,778) | (2,950) | (1,986) |
Income Tax Expense (Benefit) | $ (1,473) | $ (738) | $ (726) |

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