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FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Assets [Abstract]    
Marketable securities: $ 1,632,926 $ 1,359,864
Certificates of deposit    
Assets [Abstract]    
Marketable securities: 50,639 31,757
Commercial paper    
Assets [Abstract]    
Marketable securities: 127,469 148,671
Corporate notes and bonds    
Assets [Abstract]    
Marketable securities: 292,394 165,576
U.S. Treasuries    
Assets [Abstract]    
Marketable securities: 348,657 301,225
U.S. Government agency securities    
Assets [Abstract]    
Marketable securities: 693,110 547,228
Recurring | Level 1    
Assets [Abstract]    
Investments in debt securities 0 0
Total assets measured at fair value 120,657 165,407
Warranty obligations    
Current 0 0
Non-current 0 0
Total warranty obligations measured at fair value 0 0
Total liabilities measured at fair value 0 0
Recurring | Level 1 | Certificates of deposit    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 1 | Commercial paper    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 1 | Corporate notes and bonds    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 1 | U.S. Treasuries    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 1 | U.S. Government agency securities    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 1 | Money market funds    
Assets [Abstract]    
Cash and cash equivalents 120,657 165,407
Recurring | Level 1 | Commercial paper    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 1 | Corporate notes and bonds    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 1 | U.S. Treasuries    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 2    
Assets [Abstract]    
Investments in debt securities 0 0
Total assets measured at fair value 1,512,269 1,194,457
Warranty obligations    
Current 0 0
Non-current 0 0
Total warranty obligations measured at fair value 0 0
Total liabilities measured at fair value 0 0
Recurring | Level 2 | Certificates of deposit    
Assets [Abstract]    
Marketable securities: 50,639 31,757
Recurring | Level 2 | Commercial paper    
Assets [Abstract]    
Marketable securities: 125,947 97,907
Recurring | Level 2 | Corporate notes and bonds    
Assets [Abstract]    
Marketable securities: 290,394 165,576
Recurring | Level 2 | U.S. Treasuries    
Assets [Abstract]    
Marketable securities: 332,262 297,131
Recurring | Level 2 | U.S. Government agency securities    
Assets [Abstract]    
Marketable securities: 693,110 547,228
Recurring | Level 2 | Money market funds    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 2 | Commercial paper    
Assets [Abstract]    
Cash and cash equivalents 1,522 50,764
Recurring | Level 2 | Corporate notes and bonds    
Assets [Abstract]    
Cash and cash equivalents 2,000 0
Recurring | Level 2 | U.S. Treasuries    
Assets [Abstract]    
Cash and cash equivalents 16,395 4,094
Recurring | Level 3    
Assets [Abstract]    
Investments in debt securities 58,521 56,777
Total assets measured at fair value 58,521 56,777
Warranty obligations    
Current 29,490 30,740
Non-current 90,018 75,749
Total warranty obligations measured at fair value 119,508 106,489
Total liabilities measured at fair value 119,508 106,489
Recurring | Level 3 | Certificates of deposit    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 3 | Commercial paper    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 3 | Corporate notes and bonds    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 3 | U.S. Treasuries    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 3 | U.S. Government agency securities    
Assets [Abstract]    
Marketable securities: 0 0
Recurring | Level 3 | Money market funds    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 3 | Commercial paper    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 3 | Corporate notes and bonds    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 3 | U.S. Treasuries    
Assets [Abstract]    
Cash and cash equivalents $ 0 $ 0