Fair value measurements - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details) - Convertible debt, net of debt discount	Mar. 31, 2026	Dec. 31, 2025
Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0	0.080
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0	0.448
Risk-free rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0	0.037

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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