Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 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 and liabilities that are reported at fair value as of December 31, 2020 and 2019, using the inputs defined above (in thousands):

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	60,295	$	—	$	—	$	60,295
Commercial paper	—		39,577		—		39,577
Corporate bonds/notes	—		7,969		—		7,969
U.S. government securities	—		38,470		—		38,470
	$	60,295	$	86,016	$	—	$	146,311

	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