FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Mar. 31, 2025

Investments, Debt and Equity Securities [Abstract]

Schedule of Cash, Cash Equivalents and Available-for-Sale Securities by Significant Investment Category

The following tables show the Company’s cash, cash equivalents and available-for-sale securities by significant investment category for each period presented:


	March 31, 2025
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Aggregate Fair Value		Cash and Cash Equivalents		Short-term Marketable Securities (1)		Long-term Marketable Securities (2)
Level 1:
Cash	$	436,769	$	—	$	—	$	436,769	$	436,769	$	—	$	—

Level 2:
Money market instruments	612,034		—		—		612,034		612,034		—		—
Corporate debt securities	509,557		3,071		(135)		512,493		—		188,422		324,071
U.S. government agency securities	141,726		660		(85)		142,301		—		33,980		108,321

Asset-backed securities	75,173		314		(25)		75,462		—		1,130		74,332

Subtotal	1,338,490		4,045		(245)		1,342,290		612,034		223,532		506,724
Total	$	1,775,259	$	4,045	$	(245)	$	1,779,059	$	1,048,803	$	223,532	$	506,724


	December 31, 2024
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Aggregate Fair Value		Cash and Cash Equivalents		Short-term Marketable Securities (1)		Long-term Marketable Securities (2)
Level 1:
Cash	$	329,619	$	—	$	—	$	329,619	$	329,619	$	—	$	—

Level 2:
Money market instruments	613,223		—		—		613,223		613,223		—		—
Corporate debt securities	503,202		2,410		(390)		505,222		—		168,104		337,118
Asset-backed securities	138,508		363		(344)		138,527		—		25,864		112,663

U.S. government agency securities	72,027		359		(33)		72,353		—		896		71,457

Subtotal	1,326,960		3,132		(767)		1,329,325		613,223		194,864		521,238
Total	$	1,656,579	$	3,132	$	(767)	$	1,658,944	$	942,842	$	194,864	$	521,238

(1) The Company’s short-term marketable securities mature in one year or less.

(2) The Company’s long-term marketable securities mature between one and five years.