Net loss per share Additional Information (Details)	12 Months Ended
Dec. 31, 2025 shares	Nov. 24, 2020 USD ($) $ / shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Conversion of Stock maxium percent of outstanding shares in class of total outstanding shares	10.00%
Option Indexed To Issuers Equity, cap price \| $		$ 12.0925
Conversion of Stock maxium percent of outstanding shares in class of total outstanding shares	10.00%
Common Class A [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common Stock, Voting Rights, Number	1
Conversion of Stock, Shares Issued	1
Common Class B [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common Stock, Voting Rights, Number	10
Convertible Senior Notes due 2025 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Interest rate		1.25%
Debt Instrument, Convertible, Conversion Price \| $ / shares		$ 9.3285

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