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FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash and cash equivalents $ 1,307,141 $ 1,326,462
Short-term investments 1,362,314 1,749,727
Investments 61,443 99,419
Asset transfers between Level 1 and Level 2 measurements 0 0
Total fair value    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash 1,132,509 749,089
Foreign currency derivatives (3,733) (278)
Assets measured at fair value 2,727,165 3,175,330
Cash and cash equivalents 1,307,141 1,326,462
Short-term investments 1,362,314 1,749,727
Accounts receivable, net 965 654
Investments 61,443 99,419
Accrued liabilities (4,698) (932)
Total fair value | Money market funds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 121,444 440,826
Total fair value | Certificates of deposit    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 10,078 44,502
Total fair value | Commercial paper    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 225,067 335,477
Total fair value | Variable rate demand notes    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 6,266  
Total fair value | Municipal securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 213,798 2,428
Total fair value | U.S. government agency securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 113,357 75,137
Total fair value | U.S. treasuries    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 908,379 1,528,149
Level 1    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash 1,132,509 749,089
Assets measured at fair value 1,253,953 1,189,915
Cash and cash equivalents 1,253,953 1,189,915
Level 1 | Money market funds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 121,444 440,826
Level 2    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Foreign currency derivatives (3,733) (278)
Assets measured at fair value 1,473,212 1,985,415
Cash and cash equivalents 53,188 136,547
Short-term investments 1,362,314 1,749,727
Accounts receivable, net 965 654
Investments 61,443 99,419
Accrued liabilities (4,698) (932)
Level 2 | Certificates of deposit    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 10,078 44,502
Level 2 | Commercial paper    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 225,067 335,477
Level 2 | Variable rate demand notes    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 6,266  
Level 2 | Municipal securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 213,798 2,428
Level 2 | U.S. government agency securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 113,357 75,137
Level 2 | U.S. treasuries    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value $ 908,379 $ 1,528,149