Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2021

Marketable Securities [Abstract]

Summary of Marketable securities

Marketable securities consisted of the following as of December 31, 2021 (in thousands):    

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale securities, short-term
Commercial paper	$	47,939	$	—	$	—		$	47,939
Corporate debt securities		7,992		—		(11	)		7,981
Asset-backed securities		16,177		—		(22	)		16,155
Total available-for-sale securities, short-term		72,108		—		(33	)		72,075
Available-for-sale securities, long-term
Corporate debt securities		16,816		—		(103	)		16,713
Asset-backed securities		3,013		—		(25	)		2,988
U.S. treasury securities		11,988		—		(70	)		11,918
Total available-for-sale securities, long-term		31,817		—		(198	)		31,619
Total available-for-sale securities	$	103,925	$	—	$	(231	)	$	103,694