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FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash and cash equivalents $ 2,192,424 $ 2,088,117
Short-term investments 1,226,832 677,084
Asset transfers from Level 1 to Level 2 measurements 0 0
Asset transfers from Level 2 to Level 1 measurements 0 0
Liabilities transfers from Level 1 to Level 2 measurements 0 0
Liabilities transfers from Level 2 to Level 1 measurements 0 0
Total fair value    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash 967,598 1,244,954
Assets measured at fair value 4,217,866 3,286,243
Fair value liabilities (112) (1,474)
Cash and cash equivalents 2,192,424 2,088,117
Short-term investments 1,226,832 677,084
Accounts receivable, net 24,161 33,667
Other assets 520 3,530
Investments 781,314 487,329
Accrued liabilities (6,078) (3,484)
Other liabilities (1,307)  
Total fair value | Money market funds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 1,132,752 787,293
Total fair value | Commercial paper    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 174,271 90,419
Total fair value | Certificates of deposit    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 92,074 68,597
Total fair value | Municipal securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 3,691 1,882
Total fair value | U.S. government agency securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 104,098  
Total fair value | U.S. treasuries    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 1,118,926 749,465
Total fair value | Corporate bonds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 607,160 309,919
Total fair value | Commodity derivatives    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Fair value liabilities 17,408 35,188
Level 1    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash 967,598 1,244,954
Assets measured at fair value 2,100,350 2,032,247
Fair value liabilities 0 0
Cash and cash equivalents 2,100,350 2,032,247
Short-term investments 0 0
Accounts receivable, net 0 0
Other assets 0 0
Investments 0 0
Accrued liabilities 0 0
Other liabilities 0  
Level 1 | Money market funds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 1,132,752 787,293
Level 1 | Commercial paper    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 1 | Certificates of deposit    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 1 | Municipal securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 1 | U.S. government agency securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0  
Level 1 | U.S. treasuries    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 1 | Corporate bonds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 1 | Commodity derivatives    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Fair value liabilities 0 0
Level 2    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash 0 0
Assets measured at fair value 2,117,516 1,253,996
Fair value liabilities (112) (1,474)
Cash and cash equivalents 92,074 55,870
Short-term investments 1,226,832 677,084
Accounts receivable, net 24,161 33,667
Other assets 520 3,530
Investments 781,314 487,329
Accrued liabilities (6,078) (3,484)
Other liabilities (1,307)  
Level 2 | Money market funds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 2 | Commercial paper    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 174,271 90,419
Level 2 | Certificates of deposit    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 92,074 68,597
Level 2 | Municipal securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 3,691 1,882
Level 2 | U.S. government agency securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 104,098  
Level 2 | U.S. treasuries    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 1,118,926 749,465
Level 2 | Corporate bonds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 607,160 309,919
Level 2 | Commodity derivatives    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Fair value liabilities 17,408 35,188
Level 3    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Cash 0 0
Assets measured at fair value 0 0
Fair value liabilities 0 0
Cash and cash equivalents 0 0
Short-term investments 0 0
Accounts receivable, net 0 0
Other assets 0 0
Investments 0 0
Accrued liabilities 0 0
Other liabilities 0  
Level 3 | Money market funds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 3 | Commercial paper    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 3 | Certificates of deposit    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 3 | Municipal securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 3 | U.S. government agency securities    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0  
Level 3 | U.S. treasuries    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 3 | Corporate bonds    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Assets measured at fair value 0 0
Level 3 | Commodity derivatives    
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES    
Fair value liabilities $ 0 $ 0