Marketable Debt Securities (Tables)

3 Months Ended

Mar. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Summary of Marketable Securities Classified as Available-for-sale

Marketable debt securities, all of which were classified as available-for-sale, consist of the following (in thousands):

	March 31, 2024
	Amortized Cost		Unrealized Gains		Unrealized Losses			Aggregate Fair Value
Marketable debt securities
U.S. Treasury securities	$	129,120	$	6	$	(66	)	$	129,060

	December 31, 2023
	Amortized Cost		Unrealized Gains		Unrealized Losses			Aggregate Fair Value
Marketable debt securities
U.S. Treasury securities	$	109,571	$	71	$	(8	)	$	109,634

Interest and Investment Income

Interest and investment income consists of the following (in thousands):

	Three Months Ended March 31,
	2024		2023
Interest income	$	262	$	1,066
Accretion of discount, net		1,288		607
Total interest and investment income	$	1,550	$	1,673