Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables sets forth the fair value of the Company’s financial assets and liabilities at fair value on a recurring basis based on the three-tier fair value hierarchy (in thousands):

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Financial Assets
Money market funds	$	6,700	$	—	$	—	$	6,700
U.S. treasury securities		—		57,181		—		57,181
U.S. government agency securities		—		66,893		—		66,893
Corporate bonds		—		3,001		—		3,001
Total financial assets	$	6,700	$	127,075	$	—	$	133,775

	December 31, 2019
	Level 1		Level 2		Level 3		Total
Financial Assets
Money market funds	$	7,023	$	—	$	—	$	7,023
Reverse repurchase agreements		—		6,250		—		6,250
Commercial paper		—		15,193		—		15,193
Corporate bonds		—		39,750		—		39,750
Total financial assets	$	7,023	$	61,193	$	—	$	68,216