Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Summary of Available for Sale Securities

Marketable securities, which are classified as available-for-sale, consisted of the following as of March 31, 2022 and December 31, 2021 (in thousands):

	Amortized Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value as of March 31, 2022
Short-term marketable securities:
Commercial paper	$	37,553	$	—	$	(67	)	$	37,486
Corporate bonds		67,180		—		(386	)		66,794
US Treasuries		56,141		2		(240	)		55,903
Total short-term marketable securities	$	160,874	$	2	$	(693	)	$	160,183
Long-term marketable securities:
Commercial paper	$	5,113	$	—	$	(42	)	$	5,071
Corporate bonds		28,987		—		(398	)		28,589
US Treasuries		14,992		—		(290	)		14,702
Total long-term marketable securities	$	49,092	$	—	$	(730	)	$	48,362

	Amortized Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value as of December 31, 2021
Short-term marketable securities:
Commercial paper	$	32,471	$	—	$	(4	)	$	32,467
Corporate bonds		57,315		—		(79	)		57,236
US Treasuries		5,082		—		(9	)		5,073
Total short-term marketable securities	$	94,868	$	—	$	(92	)	$	94,776
Long-term marketable securities:
Commercial paper	$	5,089	$	—	$	(21	)	$	5,068
Corporate bonds		37,821		—		(193	)		37,628
US Treasuries		25,073		—		(117	)		24,956
Total long-term marketable securities	$	67,983	$	—	$	(331	)	$	67,652