Ordinary shares (Details) |
6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
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Jun. 30, 2026
Vote
$ / shares
£ / shares
shares
|
Dec. 31, 2025
£ / shares
$ / shares
shares
|
Mar. 31, 2026
shares
|
Jun. 30, 2025
shares
|
Mar. 31, 2025
shares
|
Dec. 31, 2024
shares
|
|
| Ordinary shares | ||||||
| Vote per ordinary share | Vote | 1 | |||||
| Dividends declared | $ / shares | $ 0 | $ 0 | ||||
| Ordinary shares, shares authorized | 163,361,109 | 159,685,229 | ||||
| Ordinary shares, nominal value | £ / shares | $ 0.01 | $ 0.01 | ||||
| Ordinary shares, shares issued | 69,814,145 | 69,367,896 | ||||
| Ordinary shares, shares outstanding | 69,814,145 | 69,367,896 | ||||
| Ordinary Shares | ||||||
| Ordinary shares | ||||||
| Ordinary shares, shares outstanding | 69,814,145 | 69,367,896 | 69,707,026 | 69,253,944 | 69,202,355 | 69,061,418 |
| Voting ordinary shares | Ordinary Shares | ||||||
| Ordinary shares | ||||||
| Ordinary shares, shares issued | 50,376,201 | |||||
| Ordinary shares, shares outstanding | 50,376,201 | |||||
| Non-voting ordinary shares | Ordinary Shares | ||||||
| Ordinary shares | ||||||
| Ordinary shares, shares issued | 19,437,944 | |||||
| Ordinary shares, shares outstanding | 19,437,944 |
| X | ||||||||||
- Definition Number of vote per share. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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