Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Summary of Financial Instruments Measured at Fair Value on Recurring Basis

The following tables summarize the Company’s financial instruments measured at fair value on a recurring basis (in thousands):

			Fair Value Measurements At Reporting Date Using
	Total		Quoted Prices in Active Markets For Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
As of September 30, 2021
Assets:
Commercial paper	$	27,987	$	—	$	27,987	$	—
Corporate debt securities		1,404		—		1,404		—
U.S. government and agency securities		15,308		—		15,308		—
Total assets measured at fair value	$	44,699	$	—	$	44,699	$	—
As of December 31, 2020
Assets:
Commercial paper	$	27,136	$	—	$	27,136	$	—
Corporate debt securities		26,506		—		26,506		—
U.S. government and agency securities		18,141		—		18,141		—
Total assets measured at fair value	$	71,783	$	—	$	71,783	$	—