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BALANCE SHEET COMPONENTS - Changes in Reserve for Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Balance at beginning of period $ 4,681 $ 1,651
Additions charged to cost of product revenue 1,600 604
Repairs and replacements (2,161) (631)
Balance at end of period $ 4,120 $ 1,624