Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables present the Company’s fair value hierarchy for its assets and liabilities that are measured at fair value on a recurring basis (in thousands):

	Fair Value Measurements as of September 30, 2020 Using:
	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	18,846	$	—	$	—	$	18,846
Commercial paper		—		4,998		—		4,998
Government securities		—		10,000		—		10,000
Investments:
Commercial paper		—		6,245		—		6,245
Corporate bonds		—		2,021		—		2,021
Government securities		—		104,720				104,720
	$	18,846	$	127,984	$	—	$	146,830

	Fair Value Measurements as of December 31, 2019 Using:
	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	25,510	$	—	$	—	$	25,510
Commercial paper		—		4,243		—		4,243
Corporate bonds		—		4,900		—		4,900
Investments:
Commercial paper	$	—	$	11,957	$	—	$	11,957
Corporate bonds		—		17,733		—		17,733
	$	25,510	$	38,833	$	—	$	64,343