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Joint Ventures (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement [Line Items] |  |  |  |
Investments accounted for using equity method |  | $ 85,993 | $ 109,435 | $ 111,549
Sichuan SQM Migao Chemical Fertilizers Co Ltd [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [1],[2] | 9,028 | 1,992 | 1,992
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [1] | (280) | (632) | (650)
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [1] | 0 | 0 | 0
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [1] | (280) | (632) | (650)
Coromandel SQM India [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2],[3] | 0 | 1,568 | 1,729
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [3] | 0 | (98) | 174
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [3] | 0 | (38) | (159)
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [3] | 0 | (136) | 15
SQM Vitas Fzco. [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2] | 9,720 | 9,111 | 20,202
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method |  | 2,010 | 1,797 | 1,781
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax |  | (1,469) | 437 | (903)
Share of total comprehensive income of associates and joint ventures accounted for using equity method |  | 541 | 2,234 | 878
SQM Star Qingdao Corp Nutrition Co., Ltd. [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2],[3] | 0 | 3,464 | 3,168
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [3] | 83 | 296 | 188
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [3] | 0 | 0 | 0
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [3] | 83 | 296 | 188
SQM Vitas Brazil Agroindustria [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [4] | 3,511 | 5,347 | 5,915
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [4] | 1,018 | 564 | 1,439
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [4] | (1,469) | (225) | (792)
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [4] | (451) | 339 | 647
SQM Vitas Peru S.A.C. [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [4] | 1,659 | 1,955 | 2,671
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [4] | 660 | 211 | (275)
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [4] | 0 | 661 | (112)
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [4] | 660 | 872 | (387)
Minera Exar S.A. [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2],[4] | 0 | 0 | 0
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [4] | 0 | 0 | (206)
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [4] | 0 | 0 | 0
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [4] | 0 | 0 | (206)
SQM Vitas BV [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2] | 0 | 1,304 | 1,345
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method |  | 0 | (15) | (14)
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax |  | 0 | (27) | (70)
Share of total comprehensive income of associates and joint ventures accounted for using equity method |  | 0 | (42) | (84)
Joint ventures [member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method |  | 5,170 | 7,394 | 8,648
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method |  | 1,678 | 806 | 1,120
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax |  | (1,469) | 435 | (904)
Share of total comprehensive income of associates and joint ventures accounted for using equity method |  | 209 | 1,241 | 216
Pavoni C Spa [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2] | 7,222 | 6,864 | 7,084
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method |  | 9 | 36 | (39)
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax |  | 349 | (255) | 70
Share of total comprehensive income of associates and joint ventures accounted for using equity method |  | 358 | (219) | 31
Covalent Lithium Pty Ltd [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2],[5] | 0 | 40 | 53
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [5] | 0 | 0 | 36
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [5] | 16 | (13) | 0
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [5] | 16 | (13) | 36
Arpa Speciali SRL [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [5],[6] | 0 | 92 | 62
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | [5],[6] | 0 | 31 | (44)
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | [5],[6] | 0 | (1) | 0
Share of total comprehensive income of associates and joint ventures accounted for using equity method | [5],[6] | 0 | 30 | (44)
Joint Venture Total [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Investments accounted for using equity method | [2] | 25,970 | 24,343 | 35,573
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method |  | 1,822 | 1,384 | 1,270
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax |  | (1,104) | 104 | (1,062)
Share of total comprehensive income of associates and joint ventures accounted for using equity method |  | $ 718 | $ 1,488 | $ 208
[1] | See subsequent events in Notes 9.2 and 29.2.
[2] | These investments include adjustments for unrealized gains.
[3] | As of December 31, 2020, these investments were no longer part of the group, see note 9.2 (a).
[4] | SQM Vitas Fzco.
[5] | As of December 31, 2020, this joint venture has a negative value of ThUS$ (92), which is presented in Other non-current provisions.
[6] | Pavoni & C. Spa.

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