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FAIR VALUE MEASUREMENTS - Schedule of Carrying Amounts and Estimated Fair Values of the Convertible Notes (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024 | Aug. 19, 2024
--- | --- | --- | ---
Notes Payable |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Carrying Amount | $ 1,085,621 | $ 1,122,053 |
2029 Convertible Notes |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Stated Interest Rate |  |  | 3.00%
2029 Convertible Notes | Notes Payable |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Stated Interest Rate | 3.00% |  |
Carrying Amount | $ 460,000 | 460,000 |
2029 Convertible Notes | Notes Payable | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair Value | $ 826,582 | 703,100 |
2031 Convertible Notes | Notes Payable |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Stated Interest Rate | 0.00% |  |
Carrying Amount | $ 625,000 | 625,000 |
2031 Convertible Notes | Notes Payable | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair Value | $ 701,493 | $ 615,800 |

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