Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Cash Equivalents and Marketable Securities Classified as Available-for-Sale Securities Measured at Fair Value on Recurring Basis

Cash equivalents and marketable securities, all of which are classified as available-for-sale securities and measured at fair value on a recurring basis, consisted of the following (in thousands):

		As of December 31, 2021
	Fair Value Hierarchy Level	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Financial assets:
Money market funds—    classified as cash equivalents	Level 1	$	22,658	$	—	$	—		$	22,658
Corporate debt	Level 2		52,704		—		(139	)		52,565
Asset-backed securities	Level 2		23,882		—		(21	)		23,861
Commercial paper	Level 2		59,532		—		—			59,532
U.S. government agency    securities	Level 2		29,744		—		(75	)		29,669
Total		$	188,520	$	—	$	(235	)	$	188,285

		As of December 31, 2020
	Fair Value Hierarchy Level	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Financial assets:
Money market funds—    classified as cash equivalents	Level 1	$	21,333	$	—	$	—		$	21,333
Corporate debt	Level 2		32,164		48		—			32,212
Asset-backed securities	Level 2		12,367		2		(1	)		12,368
Commercial paper	Level 2		28,962		—		—			28,962
U.S. government agency    securities	Level 2		13,047		3		—			13,050
Total		$	107,873	$	53	$	(1	)	$	107,925

Schedule of Remaining Contractual Maturities of Marketable Securities

The following table presents the remaining contractual maturities of the Company’s marketable securities as of December 31, 2021 (in thousands):

	December 31, 2021
Due in less than one year	$	132,804
Due in more than one year		55,481
Total	$	188,285