CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,612,464	$ 1,370,384
Gross Unrealized Gains	288	33
Gross Unrealized Losses	(6,284)	(10,553)
Fair Value	1,606,468	1,359,864
Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	112,659	220,265
Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,493,809	1,139,599
Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	112,659	165,407
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	112,659	165,407
Money market funds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	112,659	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	53,415	31,874
Gross Unrealized Gains	14	13
Gross Unrealized Losses	(51)	(130)
Fair Value	53,378	31,757
Certificates of deposit \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
Certificates of deposit \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	53,378	31,757
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	90,886	148,832
Gross Unrealized Gains	0	10
Gross Unrealized Losses	(233)	(171)
Fair Value	90,653	148,671
Commercial paper \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	50,764
Commercial paper \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	90,653	97,907
Corporate notes and bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	360,042	168,887
Gross Unrealized Gains	43	2
Gross Unrealized Losses	(2,696)	(3,313)
Fair Value	357,389	165,576
Corporate notes and bonds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
Corporate notes and bonds \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	357,389	165,576
U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	465,322	301,349
Gross Unrealized Gains	22	8
Gross Unrealized Losses	(501)	(132)
Fair Value	464,843	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	464,843	297,131
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	530,140	554,035
Gross Unrealized Gains	209	0
Gross Unrealized Losses	(2,803)	(6,807)
Fair Value	527,546	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	$ 527,546	$ 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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