MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2025

Investments, Debt and Equity Securities [Abstract]

Schedule of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Market Value of AFS Securities

The following tables present the amortized cost, gross unrealized gains and losses, and fair market value of our AFS securities as of March 31, 2025, and December 31, 2024:

	March 31, 2025
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Short-term AFS securities
Corporate debt securities	$	191,274	$	571	$	(15)	$	191,830
U.S. Treasury securities	141,026		246		(20)		141,252
Certificates of deposit	4,400		—		—		4,400
U.S. governmental agency securities	1,996		—		(1)		1,995
Total short-term AFS securities	$	338,696	$	817	$	(36)	$	339,477
Long-term AFS securities
U.S. Treasury securities	$	219,482	$	932	$	(65)	$	220,349
Corporate debt securities	159,414		595		(109)		159,900
Total long-term AFS securities	$	378,896	$	1,527	$	(174)	$	380,249

	December 31, 2024
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Short-term AFS securities
Corporate debt securities	$	153,988	$	415	$	(28)	$	154,375
U.S. Treasury securities	203,238		511		(20)		203,729
Certificates of deposit	4,400		—		—		4,400
U.S. governmental agency securities	3,974		—		(4)		3,970
Total short-term AFS securities	$	365,600	$	926	$	(52)	$	366,474
Long-term AFS securities
U.S. Treasury securities	$	154,936	$	258	$	(261)	$	154,933
Corporate debt securities	190,772		544		(303)		191,013
Total long-term AFS securities	$	345,708	$	802	$	(564)	$	345,946

Schedule of Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value

The following tables represent the AFS securities as of March 31, 2025, and December 31, 2024, that were in an unrealized loss position for which an allowance for credit losses has not been recorded, aggregated by investment category and the length of time that individual securities have been in a continuous unrealized loss position:

	March 31, 2025
	Less than 12 Months				12 Months or Greater				Total
(In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Short-term AFS securities
Corporate debt securities	$	22,896	$	(15)	$	—	$	—	$	22,896	$	(15)
U.S. Treasury securities	22,708		(20)		—		—		22,708		(20)
U.S. governmental agency securities	—		—		1,995		(1)		1,995		(1)
Total short-term AFS securities	$	45,604	$	(35)	$	1,995	$	(1)	$	47,599	$	(36)
Long-term AFS securities
U.S. Treasury securities	$	26,667	$	(65)	$	—	$	—	$	26,667	$	(65)
Corporate debt securities	41,517		(109)		—		—		41,517		(109)
Total long-term AFS securities	$	68,184	$	(174)	$	—	$	—	$	68,184	$	(174)

	December 31, 2024
	Less than 12 Months				12 Months or Greater				Total
(In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Short-term AFS securities
Corporate debt securities	$	28,741	$	(28)	$	249	$	—	$	28,990	$	(28)
U.S. Treasury securities	13,023		(18)		1,297		(2)		14,320		(20)
U.S. governmental agency securities	—		—		3,971		(4)		3,971		(4)
Total short-term AFS securities	$	41,764	$	(46)	$	5,517	$	(6)	$	47,281	$	(52)
Long-term AFS securities
U.S. Treasury securities	$	64,325	$	(261)	$	—	$	—	$	64,325	$	(261)
Corporate debt securities	68,163		(303)		—		—		68,163		(303)
Total long-term AFS securities	$	132,488	$	(564)	$	—	$	—	$	132,488	$	(564)