Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Summary of Available-for-sale Marketable Securities

The following table summarizes the Company’s available-for-sale marketable securities as of March 31, 2024 and December 31, 2023:

	March 31, 2024
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(In thousands)
Marketable securities:
U.S. Treasury and other government-backed securities	$	401,660	$	40	$	(589	)	$	401,111
Financial institution debt securities		214,001		56		(292	)		213,765
Corporate debt securities		112,194		12		(129	)		112,077
Other asset-backed securities		54,496		3		(47	)		54,452
Total	$	782,351	$	111	$	(1,057	)	$	781,405
	December 31, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(In thousands)
Marketable securities:
U.S. Treasury and other government-backed securities	$	382,260	$	302	$	(254	)	$	382,308
Financial institution debt securities		246,270		92		(243	)		246,119
Corporate debt securities		97,490		53		(135	)		97,408
Other asset-backed securities		59,453		75		(24	)		59,504
Total	$	785,473	$	522	$	(656	)	$	785,339