Net loss per share Additional Information (Details) $ in Millions	6 Months Ended
Jun. 30, 2026 shares	Nov. 15, 2025 USD ($)
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%
Conversion of Stock maxium percent of outstanding shares in class of total outstanding shares	10.00%
Convertible Senior Notes due 2025 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt Instrument \| $		$ 93.8
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

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