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Reportable segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement [Line Items] |  |  |
Revenue | $ 1,817,191 | $ 1,943,655 | $ 2,265,803
Cost of sales | (1,334,321) | (1,383,603) | (1,485,631)
Administrative expenses | (107,017) | (117,180) | (118,126)
Finance expense | (82,199) | (76,939) | (57,807)
Depreciation and amortisation expense | (203,912) | (201,351) | (220,827)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 8,940 | 9,786 | 6,351
Income tax expense | (70,179) | (110,019) | (178,975)
Income (loss) before taxes | 238,538 | 390,622 | 621,038
Net Income (Loss) | 168,359 | 280,603 | 442,063
Assets | 4,818,463 | 4,684,151 | 4,268,094
Equity-accounted investees | 85,993 | 109,435 | 111,549
Incorporation of non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising from insurance contracts | 358,009 | 110,021 | (15,028)
Liabilities | 2,655,885 | 2,549,679 | 2,130,292
Impairment loss recognized in profit or loss | 4,684 | (1,057) | 2,967
Reversal of impairment losses recognized in profit or loss for the period | (11,644) | (1,102) | 0
Cash flows from (used in) operating activities | 182,234 | 426,971 | 524,839
Cash flows from (used in) investing activities | (167,091) | (485,471) | (187,004)
Cash flows from (used in) financing activities | (94,132) | 105,896 | (387,313)
Operating Segments [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 1,817,191 | 1,943,655 | 2,265,803
Cost of sales | (1,334,321) | (1,383,603) | (1,485,631)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (203,912) | (201,351) | (220,827)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 482,870 | 560,052 | 780,172
Net Income (Loss) | 482,870 | 560,052 | 780,172
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Unallocated amounts [member] |  |  |
Statement [Line Items] |  |  |
Cost of sales | 0 | 0 | 0
Administrative expenses | (107,017) | (117,180) | (118,126)
Finance expense | (82,199) | (76,939) | (57,807)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 8,940 | 9,786 | 6,351
Income tax expense | (70,179) | (110,019) | (178,975)
Income (loss) before taxes | (244,332) | (169,430) | (159,134)
Net Income (Loss) | (314,511) | (279,449) | (338,109)
Assets | 4,818,463 | 4,684,151 | 4,268,094
Equity-accounted investees | 85,993 | 109,435 | 111,549
Incorporation of non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising from insurance contracts | 358,009 | 110,021 | (15,028)
Liabilities | 2,655,885 | 2,549,679 | 2,130,292
Impairment loss recognized in profit or loss | 4,684 | (1,057) | 2,967
Reversal of impairment losses recognized in profit or loss for the period | (11,644) | (1,102) | 0
Cash flows from (used in) operating activities | 182,234 | 426,971 | 524,839
Cash flows from (used in) investing activities | (167,091) | (485,471) | (187,004)
Cash flows from (used in) financing activities | (94,132) | 105,896 | (387,313)
Specialty plant nutrients [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 701,688 | 723,920 | 781,751
Cost of sales | (537,801) | (573,808) | (613,267)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (55,335) | (67,700) | (79,061)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 163,887 | 150,112 | 168,484
Net Income (Loss) | 163,887 | 150,112 | 168,484
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Iodine and its derivatives [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 334,657 | 371,020 | 324,972
Cost of sales | (168,499) | (230,468) | (217,464)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (40,687) | (43,336) | (42,438)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 166,158 | 140,552 | 107,508
Net Income (Loss) | 166,158 | 140,552 | 107,508
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Lithium and its derivatives [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 383,373 | 505,714 | 734,801
Cost of sales | (297,048) | (306,250) | (316,875)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (56,092) | (45,238) | (42,283)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 86,325 | 199,464 | 417,926
Net Income (Loss) | 86,325 | 199,464 | 417,926
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Industrial chemicals [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 160,608 | 94,875 | 108,267
Cost of sales | (119,092) | (63,590) | (72,964)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (14,136) | (6,854) | (8,454)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 41,516 | 31,285 | 35,303
Net Income (Loss) | 41,516 | 31,285 | 35,303
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Potassium [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 209,294 | 212,151 | 267,474
Cost of sales | (187,019) | (176,199) | (217,386)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (34,570) | (37,691) | (47,940)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 22,275 | 35,952 | 50,088
Net Income (Loss) | 22,275 | 35,952 | 50,088
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Other products and services [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 27,571 | 35,975 | 48,538
Cost of sales | (24,862) | (33,288) | (47,675)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (3,092) | (532) | (651)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 2,709 | 2,687 | 863
Net Income (Loss) | 2,709 | 2,687 | 863
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Reportable segments [member] |  |  |
Statement [Line Items] |  |  |
Revenue | 1,817,191 | 1,943,655 | 2,265,803
Cost of sales | (1,334,321) | (1,383,603) | (1,485,631)
Administrative expenses | 0 | 0 | 0
Finance expense | 0 | 0 | 0
Depreciation and amortisation expense | (203,912) | (201,351) | (220,827)
The entity's interest in the profit or loss of associates and joint ventures accounted for by the equity method | 0 | 0 | 0
Income tax expense | 0 | 0 | 0
Income (loss) before taxes | 482,870 | 560,052 | 780,172
Net Income (Loss) | 482,870 | 560,052 | 780,172
Assets |  | 0 | 0
Equity-accounted investees |  | 0 | 0
Liabilities |  | 0 | 0
Impairment loss recognized in profit or loss |  | 0 | 0
Reversal of impairment losses recognized in profit or loss for the period | 0 | 0 | 0
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from (used in) investing activities | 0 | 0 | 0
Cash flows from (used in) financing activities | 0 | 0 | 0
Parent [Member] |  |  |
Statement [Line Items] |  |  |
Assets | 4,173,308 | 4,069,649 |
Liabilities | 2,050,223 | 1,983,382 |
Parent [Member] | Operating Segments [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 1,817,191 | 1,943,655 | 2,265,803
Parent [Member] | Unallocated amounts [member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Parent [Member] | Specialty plant nutrients [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 701,688 | 723,920 | 781,751
Parent [Member] | Iodine and its derivatives [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 334,657 | 371,020 | 324,972
Parent [Member] | Lithium and its derivatives [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 383,373 | 505,714 | 734,801
Parent [Member] | Industrial chemicals [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 160,608 | 94,875 | 108,267
Parent [Member] | Potassium [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 209,294 | 212,151 | 267,474
Parent [Member] | Other products and services [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 27,571 | 35,975 | 48,538
Parent [Member] | Reportable segments [member] |  |  |
Statement [Line Items] |  |  |
Revenue | 1,817,191 | 1,943,655 | 2,265,803
Other Operating Segment [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Operating Segments [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Unallocated amounts [member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Specialty plant nutrients [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Iodine and its derivatives [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Lithium and its derivatives [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Industrial chemicals [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Potassium [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Other products and services [Member] |  |  |
Statement [Line Items] |  |  |
Revenue | 0 | 0 | 0
Other Operating Segment [Member] | Reportable segments [member] |  |  |
Statement [Line Items] |  |  |
Revenue | $ 0 | $ 0 | $ 0

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