Fair Value (Tables)

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Cash Equivalents, Short-term Investments and Long-term Investments

The following tables reflect the Company’s financial asset balances measured on a recurring basis as of June 30, 2021 and December 31, 2020 (in thousands):

	June 30, 2021
	Level	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Cash equivalents:
Money market fund	1	$	119,417	$	—	$	—		$	119,417
Commercial paper	2		1,000		—		—			1,000
Total cash equivalents		$	120,417	$	—	$	—		$	120,417
Short-term investments:
Commercial paper	2		103,680		12		(4	)		103,688
U.S. government debt and agency    securities	2		39,534		15		—			39,549
Corporate bonds	2		10,004		—		(2	)		10,002
Total short-term investments		$	153,218	$	27	$	(6	)	$	153,239
Long-term investments:
U.S. government debt and agency    securities	2		64,923		18		(2	)		64,939
Total long-term investments		$	64,923	$	18	$	(2	)	$	64,939

	December 31, 2020
	Level	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Cash equivalents:
Money market fund	1	$	5	$	—	$	—		$	5
Commercial paper	2		44,318		—		(2	)		44,316
U.S. government debt and agency    securities	2		4,999		—		—			4,999
U.S. treasury bills	2		4,450		—		—			4,450
Total cash equivalents		$	53,772	$	—	$	(2	)	$	53,770
Short-term investments:
Commercial paper	2		77,272		1		(4	)		77,269
U.S. government debt and agency    securities	2		31,835		7		—			31,842
U.S. treasury bills	2		14,029		—		(3	)		14,026
Corporate bonds	2		920		—		—			920
Total short-term investments		$	124,056	$	8	$	(7	)	$	124,057
Long-term investments:
U.S. government debt and agency    securities	2		78,924		32		—			78,956
U.S. treasury bills	2		4,551		2		—			4,553
Total long-term investments		$	83,475	$	34	$	—		$	83,509