Fair value measurements - Schedule of Fair Value Liabilities Measured on Recurring Basis (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	$ 218,710
Gross Unrealized Gains	31
Gross Unrealized Losses	(434)
Fair Market Value	218,307
Cash and Cash Equivalents [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	58,846
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Market Value	58,846
Investment [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	159,864
Gross Unrealized Gains	31
Gross Unrealized Losses	(434)
Fair Market Value	159,461
Level 1 \| Fair Value, Recurring [Member] \| Cash and Cash Equivalents [Member] \| Cash [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	23,376
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Market Value	23,376
Level 1 \| Fair Value, Recurring [Member] \| Cash and Cash Equivalents [Member] \| Money Market Funds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	35,470
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Market Value	35,470
Level 1 \| Fair Value, Recurring [Member] \| Investment [Member] \| U.S. Treasury Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	82,277
Gross Unrealized Gains	3
Gross Unrealized Losses	(331)
Fair Market Value	81,949
Level 2 \| Fair Value, Recurring [Member] \| Investment [Member] \| U.S. Agency Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	14,044
Gross Unrealized Gains	28
Gross Unrealized Losses	0
Fair Market Value	14,072
Level 2 \| Fair Value, Recurring [Member] \| Investment [Member] \| Corporate Debt Securities and Commercial Paper [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	63,543
Gross Unrealized Gains	0
Gross Unrealized Losses	(103)
Fair Market Value	$ 63,440

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