Fair value measurements (Tables)

9 Months Ended

Sep. 30, 2023

Fair value measurements

Assets and liabilities measured at fair value on a recurring basis

Assets and liabilities measured at fair value on a recurring basis as of September 30, 2023 and December 31, 2022 are as follows:

			Quoted Prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
			Identical Assets		Inputs		Inputs
Assets	Total		(Level 1)		(Level 2)		(Level 3)
September 30, 2023	(in thousands)
Money market funds included in cash and cash equivalents	$	58,098	$	58,098	$	—	$	—
Marketable securities:
U.S. Treasury notes		111,071		111,071		—		—
U.S. Government agency securities		34,232		34,232		—		—
Corporate bonds		27,780		—		27,780		—
Commercial paper		14,583		—		14,583		—
Total	$	245,764	$	203,401	$	42,363	$	—
December 31, 2022
Money market funds included in cash and cash equivalents	$	91,724	$	91,724	$	—	$	—
Marketable securities:
U.S. Treasury notes		19,889		19,889		—		—
Total	$	111,613	$	111,613	$	—	$	—