Capital risk management and fair value measurements - Financial instruments that are measured at fair value (Details) $ in Millions |
6 Months Ended |
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Jun. 30, 2025
USD ($)
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| Capital risk management and fair value measurements | |
| Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period | $ 0.0 |
| Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period | 0.0 |
| Transfers into Level 3 of fair value hierarchy, assets | 0.0 |
| Transfers out of Level 3 of fair value hierarchy, assets | 0.0 |
| Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period | 0.0 |
| Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period | 0.0 |
| Transfers into Level 3 of fair value hierarchy, liabilities | 0.0 |
| Transfers out of Level 3 of fair value hierarchy, liabilities | $ 0.0 |
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- References No definition available.
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- Definition The amount of transfers of assets into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of transfers of liabilities into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of liabilities held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of liabilities held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of transfers of assets out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of transfers of liabilities out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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