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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, 2024
Dec. 31, 2023
Assets [Abstract]    
Marketable securities: $ 1,489,845 $ 1,541,229
Certificates of deposit    
Assets [Abstract]    
Marketable securities: 45,478 55,912
Commercial paper    
Assets [Abstract]    
Marketable securities: 73,573 71,437
Corporate notes and bonds    
Assets [Abstract]    
Marketable securities: 424,171 406,096
U.S. Treasuries    
Assets [Abstract]    
Marketable securities: 169,951 327,891
U.S. Government agency securities    
Assets [Abstract]    
Marketable securities: 662,768 547,856
Recurring | Level 1    
Assets [Abstract]    
Investments in debt securities 0 0
Total assets measured at fair value 113,904 132,037
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 113,904 132,037
Recurring | Level 1 | Certificates of deposit    
Assets [Abstract]    
Cash and cash equivalents 0 0
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 2    
Assets [Abstract]    
Investments in debt securities 0 0
Total assets measured at fair value 1,375,941 1,409,192
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: 45,478 55,162
Recurring | Level 2 | Commercial paper    
Assets [Abstract]    
Marketable securities: 73,573 69,743
Recurring | Level 2 | Corporate notes and bonds    
Assets [Abstract]    
Marketable securities: 424,171 405,634
Recurring | Level 2 | U.S. Treasuries    
Assets [Abstract]    
Marketable securities: 169,951 327,891
Recurring | Level 2 | U.S. Government agency securities    
Assets [Abstract]    
Marketable securities: 662,768 547,856
Recurring | Level 2 | Money market funds    
Assets [Abstract]    
Cash and cash equivalents 0 0
Recurring | Level 2 | Certificates of deposit    
Assets [Abstract]    
Cash and cash equivalents 750
Recurring | Level 2 | Commercial paper    
Assets [Abstract]    
Cash and cash equivalents 0 1,694
Recurring | Level 2 | Corporate notes and bonds    
Assets [Abstract]    
Cash and cash equivalents 0 462
Recurring | Level 3    
Assets [Abstract]    
Investments in debt securities 80,797 79,855
Total assets measured at fair value 80,797 79,855
Warranty obligations    
Current 23,486 28,667
Non-current 127,064 133,126
Total warranty obligations measured at fair value 150,550 161,793
Total liabilities measured at fair value 150,550 161,793
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 | Certificates of deposit    
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