Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2025

Marketable Securities

Schedule of marketable debt securities, classified as available-for-sale

	Amortized		Gross Unrealized		Gross Unrealized		Fair
	Cost		Gains		Losses		Value
	(In thousands)
March 31, 2025
Marketable securities
U.S. government and municipal obligations
Maturing in one year or less	$	178,109	$	382	$	—	$	178,491
Maturing after one year through three years		86,479		405		(49)		86,835
Total U.S. government and municipal obligations	$	264,588	$	787	$	(49)	$	265,326
Corporate debt securities
Maturing in one year or less	$	298,594	$	241	$	(36)	$	298,799
Maturing after one year through three years		92,001		109		(80)		92,030
Total corporate debt securities	$	390,595	$	350	$	(116)	$	390,829
Total marketable securities	$	655,183	$	1,137	$	(165)	$	656,155
	Amortized		Gross Unrealized		Gross Unrealized		Fair
	Cost		Gains		Losses		Value
	(In thousands)
December 31, 2024
Marketable securities
U.S. government and municipal obligations
Maturing in one year or less	$	185,388	$	467	$	—	$	185,855
Maturing after one year through three years		102,331		316		(144)		102,503
Total U.S. government and municipal obligations	$	287,719	$	783	$	(144)	$	288,358
Corporate debt securities
Maturing in one year or less	$	336,350	$	350	$	(54)	$	336,646
Maturing after one year through three years		72,139		36		(254)		71,921
Total corporate debt securities	$	408,489	$	386	$	(308)	$	408,567
Total marketable securities	$	696,208	$	1,169	$	(452)	$	696,925