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Ordinary shares - Share Purchase Agreement (Details) - shares	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Ordinary shares, shares issued	69,015,971			42,431,766
Ordinary shares, shares outstanding	69,015,971			42,431,766
Ordinary Shares
Class of Stock [Line Items]
Ordinary shares, shares outstanding	69,015,971	68,941,242	42,632,597	42,431,766	42,384,799	30,585,940	30,031,758	29,873,893
Non voting ordinary shares | Ordinary Shares
Class of Stock [Line Items]
Ordinary shares, shares issued	21,492,099
Ordinary shares, shares outstanding	21,492,099
Voting ordinary shares | Ordinary Shares
Class of Stock [Line Items]
Ordinary shares, shares issued	47,523,872
Ordinary shares, shares outstanding	47,523,872

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