FAIR VALUE MEASUREMENTS - Summary of Reconciliation of Level 3 Liabilities Measured on a Recurring Basis (Details) - Founders Advisory Fees Payable - Related Party - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||||
| Fair value, beginning of period | $ 208,215 | $ 89,317 | $ 194,662 | $ 35,647 |
| Founders advisory fees - related party, change in fair value | 218,421 | 160,100 | 231,974 | 213,770 |
| Fair value, end of period | $ 426,636 | $ 249,417 | $ 426,636 | $ 249,417 |