Nature of operations and summary of significant accounting policies - Stock-based compensation (Details)	9 Months Ended
Sep. 30, 2024
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period	4 years
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period	3 years

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