Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Financial Liabilities Measure on a Recurring Basis

The following tables sets forth by level within the fair value hierarchy the Company’s assets that are reported at fair value as of September 30, 2020 and December 31, 2019, using the inputs defined above (in thousands):

	September 30, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	61,078	$	—	$	—	$	61,078
U.S. treasury bills	—		9,999		—		9,999
Commercial paper	—		31,863		—		31,863
Corporate bonds/notes	—		16,186		—		16,186
U.S. government securities	—		33,394		—		33,394
	$	61,078	$	91,442	$	—	$	152,520

	December 31, 2019
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	34,363	$	—	$	—	$	34,363
Commercial paper	—		9,919		—		9,919
Corporate bonds/notes	—		10,176		—		10,176
U.S. government securities	—		44,456		—		44,456
Asset-backed securities	—		5,181		—		5,181
	$	34,363	$	69,732	$	—	$	104,095