MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2024

MARKETABLE SECURITIES

Schedule of Available-for-sale Securities

Amortized cost and estimated fair market value of marketable securities classified as available-for-sale (excluding cash equivalents) at June 30, 2024, were as follows:

	Amortized		Gross Unrealized				Estimated Fair
(In thousands)	Cost		Gains		Losses		Market Value
Investments due in 3 months or less:
Corporate securities	$	3,998	$	—	$	(23)	$	3,975
Total		3,998		—		(23)		3,975
Investments due in 4-12 months:
Commercial paper		738		—		—		738
Corporate securities		90,074		8		(343)		89,739
Total		90,812		8		(343)		90,477
Investments due in 12 months or greater:
Corporate securities		145,924		112		(503)		145,533
Total		145,924		112		(503)		145,533
Total marketable securities	$	240,734	$	120	$	(869)	$	239,985

	Amortized		Gross Unrealized				Estimated Fair
(In thousands)	Cost		Gains		Losses		Market Value
Investments due in 3 months or less:
Corporate securities	$	10,688	$	—	$	(42)	$	10,646
Total		10,688		—		(42)		10,646
Investments due in 4-12 months:
Commercial paper		718		—		—		718
Corporate securities		48,680		15		(347)		48,348
Total		49,398		15		(347)		49,066
Investments due in 12 months or greater:
Corporate securities		187,298		952		(322)		187,928
Total		187,298		952		(322)		187,928
Total marketable securities	$	247,384	$	967	$	(711)	$	247,640

Schedule of Available-for-sale Securities in an Unrealized Loss Position

The following table summarizes marketable securities classified as available-for-sale (excluding cash equivalents) in a continuous unrealized loss position for which an allowance for credit losses was not recorded at June 30, 2024:

	Less Than 12 Months				12 Months or Longer				Total
	Estimated		Gross		Estimated		Gross		Estimated		Gross
	Fair Market		Unrealized		Fair Market		Unrealized		Fair Market		Unrealized
(In thousands)	Value		Losses		Value		Losses		Value		Losses
Corporate securities	$	134,085	$	(435)	$	56,256	$	(434)	$	190,341	$	(869)
Total marketable securities	$	134,085	$	(435)	$	56,256	$	(434)	$	190,341	$	(869)