FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Assets and Liabilities at Fair Value, Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	$ 1,735,765	$ 6,262,905
Short-term investments	2,177,231	0
Long-term investments	529,974	0
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	1,735,765
Cash, estimated fair value		6,262,905
Gross Unrealized Gains	535
Gross Unrealized Losses	(12,107)
Short-term investments	2,177,231
Long-term investments	529,974
Total assets measured at fair value, amortized cost	4,454,542
Total assets measured at fair value, fair value	4,442,970
Fair Value, Recurring | Cash and cash equivalents
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	321,667
Cash, estimated fair value	321,667	160,888
Short-term investments	0
Long-term investments	0
Fair Value, Recurring | Level 1:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	1,377,540
Amortized cost	3,238,989
Gross Unrealized Gains	151
Gross Unrealized Losses	(9,431)
Estimated Fair Value	3,229,709
Short-term investments	1,570,591
Long-term investments	281,578
Fair Value, Recurring | Level 2:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	36,558
Amortized cost	893,886
Gross Unrealized Gains	384
Gross Unrealized Losses	(2,676)
Estimated Fair Value	891,594
Short-term investments	606,640
Long-term investments	248,396
Fair Value, Recurring | Money market funds | Level 1:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	1,377,540
Cash, estimated fair value		$ 6,102,017
Amortized cost	1,377,540
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Estimated Fair Value	1,377,540
Short-term investments	0
Long-term investments	0
Fair Value, Recurring | U.S. Treasury securities | Level 1:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	0
Amortized cost	1,861,449
Gross Unrealized Gains	151
Gross Unrealized Losses	(9,431)
Estimated Fair Value	1,852,169
Short-term investments	1,570,591
Long-term investments	281,578
Fair Value, Recurring | U.S. government agency securities | Level 2:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	0
Amortized cost	43,477
Gross Unrealized Gains	46
Gross Unrealized Losses	(18)
Estimated Fair Value	43,505
Short-term investments	43,505
Long-term investments	0
Fair Value, Recurring | Certificates of deposit | Level 2:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	0
Amortized cost	174,037
Gross Unrealized Gains	67
Gross Unrealized Losses	(132)
Estimated Fair Value	173,972
Short-term investments	173,972
Long-term investments	0
Fair Value, Recurring | Commercial paper | Level 2:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	19,761
Amortized cost	238,224
Gross Unrealized Gains	63
Gross Unrealized Losses	(122)
Estimated Fair Value	238,165
Short-term investments	218,404
Long-term investments	0
Fair Value, Recurring | Corporate debt securities | Level 2:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, amortized cost	16,797
Amortized cost	438,148
Gross Unrealized Gains	208
Gross Unrealized Losses	(2,404)
Estimated Fair Value	435,952
Short-term investments	170,759
Long-term investments	$ 248,396