Fair value measurement - Schedule of the Company's Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	$ 13,826	$ 16,836
Fair Value, Recurring
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets	102,945	41,870
Fair Value, Recurring | U.S. government securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	1,494	5,170
Fair Value, Recurring | Corporate debt securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	9,000	9,674
Fair Value, Recurring | Other debt securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	3,332	1,992
Fair Value, Recurring | Money market accounts
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash equivalents	89,119	25,034
Fair Value, Recurring | Level 1
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets	91,011	30,204
Fair Value, Recurring | Level 1 | U.S. government securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	1,494	5,170
Fair Value, Recurring | Level 1 | Corporate debt securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	398	0
Fair Value, Recurring | Level 1 | Other debt securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	0	0
Fair Value, Recurring | Level 1 | Money market accounts
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash equivalents	89,119	25,034
Fair Value, Recurring | Level 2
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets	11,934	11,666
Fair Value, Recurring | Level 2 | U.S. government securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	0	0
Fair Value, Recurring | Level 2 | Corporate debt securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	8,602	9,674
Fair Value, Recurring | Level 2 | Other debt securities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Available-for-sale securities	3,332	1,992
Fair Value, Recurring | Level 2 | Money market accounts
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash equivalents	$ 0	$ 0