VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Variable Interest Entities | ||
| Assets Under Management | $ 16,126,000 | $ 16,539,000 |
| Estimated Fair Value | 23,665 | 21,433 |
| Westwood Funds® | ||
| Variable Interest Entities | ||
| Assets Under Management | 3,904,000 | 3,890,000 |
| Estimated Fair Value | 0 | 0 |
| Amount at Risk | 0 | 0 |
| Common Trust Funds | ||
| Variable Interest Entities | ||
| Assets Under Management | 394,000 | 600,000 |
| Estimated Fair Value | 0 | 0 |
| Amount at Risk | 0 | 0 |
| Westwood Hospitality Fund I LLC [Member] | ||
| Variable Interest Entities | ||
| Assets Under Management | 723,000 | 315,000 |
| Estimated Fair Value | 200 | 200 |
| Amount at Risk | 200 | 200 |
| Private equity | ||
| Variable Interest Entities | ||
| Assets Under Management | 0 | 0 |
| Estimated Fair Value | 10,900 | 9,300 |
| Amount at Risk | 10,900 | 9,300 |
| Wealth Management | ||
| Variable Interest Entities | ||
| Assets Under Management | 3,994,000 | 3,705,000 |
| Institutional | ||
| Variable Interest Entities | ||
| Assets Under Management | $ 7,111,000 | $ 8,029,000 |