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Accounts payable and accrued liabilities - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2025 USD ($) employee Rate	Mar. 31, 2025 USD ($) employee	Dec. 31, 2024 USD ($)
Restructuring Cost and Reserve [Line Items]
Entity number of employees | employee	19	19
Restructuring liabilities	$ 5,965	$ 5,965	$ 0
Restructuring And Workforce Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of positions eliminated, percent | Rate	57.00%
Restructuring costs		12,400
Restructuring And Workforce Reduction | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities	$ 5,600	5,600
Restructuring And Workforce Reduction | Accrual of lease-related operating expenses
Restructuring Cost and Reserve [Line Items]
Accrued lease-related operating expenses	$ 400	$ 400

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements.

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The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

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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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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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