Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Amortized Cost Gross Unrealized Holding Gains or Losses and Fair Value of Marketable Securities

All marketable securities were considered available-for-sale as of September 30, 2023 and December 31, 2022. The amortized cost, gross unrealized holding gains or losses, and fair value of the Company’s marketable securities by major security type are summarized in the tables below (in thousands):

	September 30, 2023
	Amortized Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Available-for-sale securities
U.S. treasuries	$	4,469	$	—	$	(13	)	$	4,456
Commercial paper		7,942		—		(5	)		7,937
U.S. agency securities		36,700		—		(74	)		36,626
Asset-backed securities		1,982		—		(3	)		1,979
Total available-for-sale securities	$	51,093	$	—	$	(95	)	$	50,998

	December 31, 2022
	Amortized Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Available-for-sale securities
U.S. treasuries	$	65,807	$	—	$	(416	)	$	65,391
Commercial paper		115,381		13		(333	)		115,061
U.S. agency securities		53,767		15		(327	)		53,455
Asset-backed securities		1,914		—		—			1,914
Total available-for-sale securities	$	236,869	$	28	$	(1,076	)	$	235,821