SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Amortization of Capitalized Costs over the Estimated Useful Lives (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Accounting Policies [Abstract] | ||||||
| Estimated Useful Life (Years) | 3 years | 3 years | ||||
| Internally developed software | $ 96,741 | $ 96,741 | $ 80,664 | $ 80,901 | ||
| Accumulated amortization | (69,885) | (69,885) | (57,503) | (50,622) | ||
| Net | 26,856 | 26,856 | 23,161 | 30,279 | ||
| Amortization of internally developed software | $ 4,300 | $ 3,800 | $ 12,381 | $ 13,255 | $ 17,113 | $ 19,384 |