Shareholders' equity - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 12,286	$ 14,208	$ 24,299	$ 28,993
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	6,714	7,506	13,753	15,642
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 5,572	$ 6,702	$ 10,546	$ 13,351

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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+ Details