CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,639,302	$ 1,370,384
Gross Unrealized Gains	437	33
Gross Unrealized Losses	(6,813)	(10,553)
Fair Value	1,632,926	1,359,864
Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	140,574	220,265
Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,492,352	1,139,599
Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	120,657	165,407
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	120,657	165,407
Money market funds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	120,657	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	50,684	31,874
Gross Unrealized Gains	26	13
Gross Unrealized Losses	(71)	(130)
Fair Value	50,639	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	50,639	31,757
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	127,549	148,832
Gross Unrealized Gains	99	10
Gross Unrealized Losses	(179)	(171)
Fair Value	127,469	148,671
Commercial paper \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,522	50,764
Commercial paper \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	125,947	97,907
Corporate notes and bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	295,271	168,887
Gross Unrealized Gains	16	2
Gross Unrealized Losses	(2,893)	(3,313)
Fair Value	292,394	165,576
Corporate notes and bonds \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	2,000	0
Corporate notes and bonds \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	290,394	165,576
U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	348,693	301,349
Gross Unrealized Gains	97	8
Gross Unrealized Losses	(133)	(132)
Fair Value	348,657	301,225
U.S. Treasuries \| Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair Value	16,395	4,094
U.S. Treasuries \| Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	332,262	297,131
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	696,448	554,035
Gross Unrealized Gains	199	0
Gross Unrealized Losses	(3,537)	(6,807)
Fair Value	693,110	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	$ 693,110	$ 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).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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Amortized cost excluding accrued interest, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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Amount excluding accrued interest, of 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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