Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities

The table below summarizes the marketable securities:

	June 30, 2021
	Amortized Cost		Unrealized Gains		Unrealized Losses		Aggregate Fair Value
	(in thousands)
Money market funds	$	44,653	$	—	$	—	$	44,653
Cash equivalents	44,653		—		—		44,653
U.S. treasury securities	84,420		11		—		84,431
Corporate bonds	11,600		1		(1)		11,600
Commercial paper	32,477		—		—		32,477
Short-term investments	128,497		12		(1)		128,508
Total marketable securities	$	173,150	$	12	$	(1)	$	173,161

	December 31, 2020
	Amortized Cost		Unrealized Gains		Unrealized Losses		Aggregate Fair Value
	(in thousands)
Money market funds	$	45,948	$	—	$	—	$	45,948
Commercial paper	1,400		—		—		1,400
Cash equivalents	47,348		—		—		47,348
U.S. treasury securities	74,779		4		(7)		74,776
Corporate bonds	8,940		4		(6)		8,938
Commercial paper	59,137		—		—		59,137
Short-term investments	142,856		8		(13)		142,851
Total marketable securities	$	190,204	$	8	$	(13)	$	190,199