CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,505,300	$ 1,541,584
Gross Unrealized Gains	286	1,863
Gross Unrealized Losses	(3,719)	(2,218)
Fair Value	1,501,867	1,541,229
Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	107,565	134,943
Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,394,302	1,406,286
Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	79,051	132,037
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	79,051	132,037
Money market funds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	79,051	132,037
Money market funds \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	41,213	55,863
Gross Unrealized Gains	27	58
Gross Unrealized Losses	0	(9)
Fair Value	41,240	55,912
Certificates of deposit \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	750
Certificates of deposit \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	41,240	55,162
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	70,853	71,427
Gross Unrealized Gains	2	29
Gross Unrealized Losses	(68)	(19)
Fair Value	70,787	71,437
Commercial paper \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	1,694
Commercial paper \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	70,787	69,743
Corporate notes and bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	392,445	406,093
Gross Unrealized Gains	228	934
Gross Unrealized Losses	(790)	(931)
Fair Value	391,883	406,096
Corporate notes and bonds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	3,551	462
Corporate notes and bonds \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	388,332	405,634
U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	247,809	327,773
Gross Unrealized Gains	0	152
Gross Unrealized Losses	(208)	(34)
Fair Value	247,601	327,891
U.S. Treasuries \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	24,963	0
U.S. Treasuries \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	222,638	327,891
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	673,929	548,391
Gross Unrealized Gains	29	690
Gross Unrealized Losses	(2,653)	(1,225)
Fair Value	671,305	547,856
U.S. Government agency securities \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
U.S. Government agency securities \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	$ 671,305	$ 547,856

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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