Financial instruments - fair values and risk management - Sensitivity analysis (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%		$ (1,833)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%		$ 1,833
Currency risk
Sensitivity analysis
Strengthening of US$ by 10%	10.00%	10.00%
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%	$ (1,448)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%	1,448
Euro
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%		$ (1,787)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%		1,787
Euro \| Currency risk
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%	(1,510)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%	1,510
Russian Ruble
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%		(108)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%		108
Russian Ruble \| Currency risk
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%	(9)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%	9
Armenian Dram
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%		68
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%		(68)
Armenian Dram \| Currency risk
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%	93
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%	(93)
Kazakhstani Tenge
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%		(6)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%		$ 6
Kazakhstani Tenge \| Currency risk
Sensitivity analysis
Increase (decrease) in equity and profit or loss due to strengthening of USD by 10%	(22)
Increase (decrease) in equity and profit or loss due to weakening of USD by 10%	$ 22

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No definition available.

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- Definition

The amount of increase (decrease) in the fair value measurement of the entity's own equity instruments, recognised in profit or loss after tax, due to a reasonably possible decrease in an unobservable input. [Refer: Tax income (expense)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2023-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_h_ii&doctype=Standard
-URIDate 2023-03-23

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- Definition

The amount of increase (decrease) in the fair value measurement of the entity's own equity instruments, recognised in profit or loss after tax, due to a reasonably possible increase in an unobservable input. [Refer: Tax income (expense)]

+ References

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- Definition

The percentage of a reasonably possible increase in an unobservable input used in fair value measurement of the entity's own equity instruments.

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