CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,541,584	$ 1,370,384
Gross Unrealized Gains	1,863	33
Gross Unrealized Losses	(2,218)	(10,553)
Fair Value	1,541,229	1,359,864
Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	134,943	220,265
Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,406,286	1,139,599
Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	132,037	165,407
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	132,037	165,407
Money market funds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	132,037	165,407
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	55,863	31,874
Gross Unrealized Gains	58	13
Gross Unrealized Losses	(9)	(130)
Fair Value	55,912	31,757
Certificates of deposit \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	750	0
Certificates of deposit \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	55,162	31,757
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	71,427	148,832
Gross Unrealized Gains	29	10
Gross Unrealized Losses	(19)	(171)
Fair Value	71,437	148,671
Commercial paper \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,694	50,764
Commercial paper \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	69,743	97,907
Corporate notes and bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	406,093	168,887
Gross Unrealized Gains	934	2
Gross Unrealized Losses	(931)	(3,313)
Fair Value	406,096	165,576
Corporate notes and bonds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	462	0
Corporate notes and bonds \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	405,634	165,576
U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	327,773	301,349
Gross Unrealized Gains	152	8
Gross Unrealized Losses	(34)	(132)
Fair Value	327,891	301,225
U.S. Treasuries \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	4,094
U.S. Treasuries \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	327,891	297,131
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	548,391	554,035
Gross Unrealized Gains	690	0
Gross Unrealized Losses	(1,225)	(6,807)
Fair Value	547,856	547,228
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	$ 547,856	$ 547,228

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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