Income or loss per share (Details) - shares	3 Months Ended
Income or loss per share (Details) - shares	Mar. 31, 2026	Feb. 23, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Amount of securities excluded from computation of earnings per share (in shares)	12,957,034	12,086,217
Redeemable Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Amount of securities excluded from computation of earnings per share (in shares)	7,540,464	6,961,012
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Amount of securities excluded from computation of earnings per share (in shares)	1,305,909	1,418,355
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Amount of securities excluded from computation of earnings per share (in shares)	1,827,661	1,531,850
PSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Amount of securities excluded from computation of earnings per share (in shares)	2,283,000	2,175,000