XML 234 R208.htm IDEA: XBRL DOCUMENT
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Events occurred after the reporting date (Details Textual) | Feb. 23, 2021 USD ($) shares | Feb. 23, 2021 HUF (Ft) shares | Feb. 09, 2021 USD ($) | Feb. 17, 2021 USD ($) | Jan. 22, 2021 USD ($) shares | Jan. 07, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jan. 25, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
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Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Arbitration claims payable |  |  |  |  |  |  | $ 166,783,000 |  | $ 145,255,000 | $ 138,019,000 | $ 93,446,000
Increase in the authorized capital [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase in the authorized Capital |  |  |  |  | $ 1,100,000,000 |  |  |  |  |  |
Increase in the authorized capital [Member] | Series B preferred shares [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares subscribed but not yet issued | shares |  |  |  |  | 22,442,580 |  |  |  |  |  |
Number of shares withdrawn | shares | 648 | 648 |  |  |  |  |  |  |  |  |
Percentage of shares withdrawn | 0.0004% | 0.0004% |  |  |  |  |  |  |  |  |
Increase in the authorized capital [Member] | Series A Preferred Shares [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of shares withdrawn | 0.50% | 0.50% |  |  |  |  |  |  |  |  |
Arbitration claim [Member] | Oceana vega [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Arbitration claims payable |  |  |  |  |  | $ 377,000 |  |  |  |  |
Claim due for work related accident [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Compensation payable to subcontractors employee for accident |  |  |  |  |  |  |  | $ 718,000 |  |  |
Dispute settlement with related party [Member] | Sichuan SQM Migao Chemical Fertilizers Co Ltda. [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from settlement of dispute |  |  | $ 11,500,000 |  |  |  |  |  |  |  |
Project study [Member] | 2021 to 2025 [Member] | Mount Holland Lithium [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment in a project joint operations |  |  |  | $ 700,000,000 |  |  |  |  |  |  |
Threshold limit on related party transactions [Member] | Empressa National De Telecommunication SA And Pcs Telcommunications SA [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Transactions with related party | $ 5,000,000 |  |  |  |  |  |  |  |  |  |
Board resolution for related party transactions subject to prescribed limits [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of Events occurred after the reporting date [Line Items] |  |  |  |  |  |  |  |  |  |  |
Minimum ownership percentage to be maintained with counterparties | 95.00% | 95.00% |  |  |  |  |  |  |  |  |
Materiality in determning the related party transactions | Ft |  | Ft 3,000 |  |  |  |  |  |  |  |  |

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