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FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023
Investments in securities: |  |  |  |  |  |  |  |
Investments in trading securities | $ 17,706 |  | $ 17,706 |  |  | $ 25,748 |  |
Total assets measured at fair value | 19,729 |  | 19,729 |  |  | 27,694 |  |
Fair Value Inputs [Abstract] (Deprecated 2018-01-31) |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value | 0 | $ 12,000 | 0 | $ 12,000 | $ 0 | 4,657 | $ 10,133 | $ 10,176
Payment for Contingent Consideration Liability, Financing Activities |  |  | (201) | (1,815) |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | $ 0 | $ 1,824 | $ 0 | $ 3,682 |  |  |  |
Unobservable input - growth discount rate - weighted average | true | true | true | true |  |  |  |
Unobservable input - growth discount rate - maximum | true | true | true | true |  |  |  |
Unobservable input - growth discount rate - minimum | true | true | true | true |  |  |  |
Unobservable input - growth volatility - weighted average | true | true | true | true |  |  |  |
Unobservable input - growth volatility - maximum | true | true | true | true |  |  |  |
Unobservable input - growth volatility - minimum | true | true | true | true |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration | $ 0 | $ 0 | $ (4,657) | $ (1,815) |  |  |  |
Level 1 |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Investments in trading securities | 17,556 |  | 17,556 |  |  | 25,748 |  |
Total assets measured at fair value | 17,556 |  | 17,556 |  |  | 25,748 |  |
Level 2 |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Investments in trading securities | 150 |  | 150 |  |  | 0 |  |
Total assets measured at fair value | 150 |  | 150 |  |  | 0 |  |
Level 3 |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Investments in trading securities | 0 |  | 0 |  |  | 0 |  |
Total assets measured at fair value | 0 |  | 0 |  |  | $ 0 |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  |  |  |  | Level 3 |  |
Other Liabilities, Fair Value Disclosure |  |  |  |  |  | $ 4,657 |  |
Investments Measured at NAV |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Investments in trading securities | 0 |  | 0 |  |  | 0 |  |
Total assets measured at fair value | 2,023 |  | 2,023 |  |  | $ 1,946 |  |
Fair Value, Recurring |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Asset Acquisition, Consideration Transferred, Contingent Consideration |  |  |  |  |  | Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] |  |
Other Liabilities, Fair Value Disclosure |  |  |  |  |  | $ 4,657 |  |
Private investment funds |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Private | 2,023 |  | 2,023 |  |  | 1,946 |  |
Private investment funds | Level 1 |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Private | 0 |  | 0 |  |  | 0 |  |
Private investment funds | Level 2 |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Private | 0 |  | 0 |  |  | 0 |  |
Private investment funds | Level 3 |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Private | 0 |  | 0 |  |  | 0 |  |
Private investment funds | Investments Measured at NAV |  |  |  |  |  |  |  |
Investments in securities: |  |  |  |  |  |  |  |
Private | $ 2,023 |  | $ 2,023 |  |  | $ 1,946 |  |

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