Trade and other payables (Schedule of detailed information about trade and other payables) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Trade and other payables [abstract]
Trade payables	$ 84,279	$ 104,598
Accruals and payables	84,992	72,698
Accrued interest	16,120	30,766
Exploration and evaluation payables	3,788	1,351
Statutory payables	18,598	23,734
Trade and other payables	$ 207,777	$ 233,147

The amount of accruals classified as current. [Refer: Accruals]

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- Definition

The amount of current interest payable. [Refer: Interest payable]

+ References

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+ Details

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- Definition

The amount of current payables on social security and taxes other than incomes tax. [Refer: Payables on social security and taxes other than income tax]

+ References

+ Details

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- Definition

The amount of liabilities arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References

No definition available.

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