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Other current and non-current non-financial assets - Narrative (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | $ 196,335 | $ 69,870
Other non-financial assets, non-current | 52,396 | 33,487
Domestic Value Added Tax |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 81,361 | 26,356
Foreign Value Added Tax |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 66,926 | 14,395
Prepaid mining licenses |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 1,122 | 1,233
Prepaid insurance |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 33,896 | 20,443
Other prepayment |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 1,230 | 659
Refund of Value Added Tax to exporters |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 3,020 | 0
Other taxes |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 7,512 | 6,030
Other assets |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, current | 1,268 | 754
Other non-financial assets, non-current | 7,656 | 6,113
Exploration and evaluation expenses |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, non-current | 44,023 | 26,752
Guarantee deposits |  |
Disclosure of other non-financial assets [Line Items] |  |
Other non-financial assets, non-current | $ 717 | $ 622

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