Financial Instruments and Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured at Fair Value

The following tables summarize the Company’s financial assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy:

	September 30, 2021
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
U.S. Treasury securities	$	65,235	$	—	$	—	$	65,235
Money market funds		67,705		—		—		67,705
Commercial paper		—		21,385		—		21,385
Corporate bonds		—		5,139		—		5,139
Total assets	$	132,940	$	26,524	$	—	$	159,464

	December 31, 2020
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
U.S. Treasury securities	$	126,363	$	—	$	—	$	126,363
Money market funds		35,053		—		—		35,053
Commercial paper		—		31,968		—		31,968
Total assets	$	161,416	$	31,968	$	—	$	193,384