Provisions for other liabilities and charges - Decommissioning and site restoration provision (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Disclosure of other provisions [line items]
Non-current	$ 86,296	$ 84,533
Current	492	483
Decommissioning and site restoration provisions
Disclosure of other provisions [line items]
At January 1	85,016	71,941
Additions through business combinations		34,419
Increase/(decrease) in provisions	1,473	(24,898)
Payments for tower and tower equipment decommissioning	(4)	(343)
Unwinding of discount	2,261	7,084
Effects of movement in exchange rates	(1,958)	(3,187)
At end of period/year	86,788	85,016
Non-current	86,296	84,533
Current	$ 492	$ 483

The increase in other provisions resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Other provisions]

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The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions]

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The amount of non-current provisions other than provisions for employee benefits. [Refer: Non-current provisions]

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The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]

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