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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Accreted interest |  |  | $ 2,000 |  |
Investment without readily determinable fair value | $ 6,000 |  | 6,000 |  |
Investment without readily determinable fair value, impairment |  |  | 6,000 |  |
Change in discount rate | 0 | $ 2,811 | 759 | $ 34,608 |
Increase in liability as a result of increasing the profit element and risk premium input by 100 basis points |  |  | 1,100 |  |
Decrease in liability as a result of decreasing the profit element and risk premium input by 100 basis points |  |  | (1,100) |  |
Decrease in liability as a result of increasing the discount rate by 100 basis points |  |  | 10,800 |  |
Increase in liability as a result of decreasing the discount rate by 100 basis points |  |  | 12,200 |  |
Non-Voting Debt Security |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investments in debt securities |  |  |  |  | $ 15,000
Investments in debt securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impairment charges | 16,988 | 0 | 16,988 | 0 |
Level 2 | Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investments in debt securities | 0 |  | 0 |  | 0
Level 2 | Recurring | Convertible Notes | Notes due 2028 |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Notes payable fair value | 491,900 |  | 491,900 |  |
Level 2 | Recurring | Convertible Notes | Notes due 2026 |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Notes payable fair value | 588,500 |  | 588,500 |  |
Level 2 | Recurring | Convertible Notes | Notes due 2025 |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Notes payable fair value | 147,100 |  | 147,100 |  |
Level 3 | Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investments in debt securities | 61,137 |  | 61,137 |  | $ 79,855
Level 3 | Recurring | Warranty obligations for products sold since January 1, 2014 |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Change in discount rate | $ 0 | $ 2,811 | $ 759 | $ 34,608 |

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