Ordinary shares - Share Purchase Agreement (Details) - shares	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Ordinary shares, shares issued	42,632,597	42,431,766
Ordinary shares, shares outstanding	42,632,597	42,431,766
Ordinary Shares
Class of Stock [Line Items]
Ordinary shares, shares outstanding	42,632,597	42,431,766	30,031,758	29,873,893
Non voting ordinary shares | Ordinary Shares
Class of Stock [Line Items]
Ordinary shares, shares issued	4,705,882
Ordinary shares, shares outstanding	4,705,882
Voting ordinary shares | Ordinary Shares
Class of Stock [Line Items]
Ordinary shares, shares issued	37,926,715
Ordinary shares, shares outstanding	37,926,715