CLEARING HOUSE PERFORMANCE BONDS AND GUARANTEE FUNDS (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | ||||
| Deposit assets, interest distributed | $ 0.3 | $ 0.3 | $ 0.8 | $ 0.9 |