Fair Value Measurement (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Marketable Securities Measured at Fair Value on Recurring Basis

The table below summarizes the fair value of the Company’s marketable securities measured at fair value on a recurring basis based on the three-tier fair value hierarchy:

	March 31, 2021
	Level 1		Level 2		Level 3		Total
	(in thousands)
Marketable securities
Money market funds	$	29,402	$	—	$	—	$	29,402
U.S. treasury securities	84,779		—		—		84,779
Corporate bonds	—		12,942		—		12,942
Commercial paper	—		49,966		—		49,966
Total marketable securities	$	114,181	$	62,908	$	—	$	177,089
	December 31, 2020
	Level 1		Level 2		Level 3		Total
	(in thousands)
Marketable securities
Money market funds	$	45,948	$	—	$	—	$	45,948
U.S. treasury securities	74,776		—		—		74,776
Corporate bonds	—		8,938		—		8,938
Commercial paper	—		60,537		—		60,537
Total marketable securities	$	120,724	$	69,475	$	—	$	190,199