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Marketable Securities (Tables)

6 Months Ended

Jun. 30, 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)
June 30, 2025
Marketable securities
U.S. government and municipal obligations
Maturing in one year or less		$	186,628		$	308		$	(5)		$	186,931
Maturing after one year through three years			67,183			273			(39)			67,417
Total U.S. government and municipal obligations		$	253,811		$	581		$	(44)		$	254,348
Corporate debt securities
Maturing in one year or less		$	284,286		$	164		$	(36)		$	284,414
Maturing after one year through three years			68,452			117			(38)			68,531
Total corporate debt securities		$	352,738		$	281		$	(74)		$	352,945
Total marketable securities		$	606,549		$	862		$	(118)		$	607,293


		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