CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2022

Cash and Cash Equivalents [Abstract]

Debt Securities, Available-for-sale

The cash equivalents and marketable securities consist of the following:

	As of June 30, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
	(In thousands)
Money market funds	$	432,946	$	—	$	—	$	432,946	$	432,946	$	—
Certificates of Deposit	3,126		—		(24)		3,102		—		3,102
Commercial paper	121,294		—		(224)		121,070		—		121,070
Corporate notes and bonds	144,438		1		(3,189)		141,250		—		141,250
U.S. Treasuries	39,551		1		(8)		39,544		—		39,544
U.S. Government agency securities	456,128		—		(8,766)		447,362		—		447,362
Total	$	1,197,483	$	2	$	(12,211)	$	1,185,274	$	432,946	$	752,328

	As of December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
	(In thousands)
Money market funds	$	35,789	$	—	$	—	$	35,789	$	35,789	$	—
Certificates of Deposit	16,001		—		(2)		15,999		6,000		9,999
Commercial paper	215,964		—		(114)		215,850		26,997		188,853
Corporate notes and bonds	199,244		—		(872)		198,372		760		197,612
U.S. Treasuries	14,999		—		(1)		14,998		—		14,998
U.S. Government agency securities	487,743		—		(1,870)		485,873		—		485,873
Total	$	969,740	$	—	$	(2,859)	$	966,881	$	69,546	$	897,335

Investments Classified by Contractual Maturity Date

The following table summarizes the contractual maturities of the Company’s cash equivalents and marketable securities as of June 30, 2022:

	Amortized Cost		Fair Value
	(In thousands)
Due within one year	$	1,023,275	$	1,017,129
Due within one to three years	174,208		168,145
Total	$	1,197,483	$	1,185,274