FAIR VALUE MEASUREMENTS - Schedule of Investments Valued Using NAV Per Share (Details) - Measured at NAV - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
| Accrued performance allocations | $ 328,616 | $ 339,560 |
| Partnership interests | 161,354 | 168,545 |
| Unfunded Commitments | 13,880 | 16,251 |
| Company-sponsored open-end fund | ||
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
| Partnership interests | 27,980 | 29,147 |
| Unfunded Commitments | 0 | 0 |
| Company-sponsored closed-end funds | ||
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
| Partnership interests | 117,242 | 124,034 |
| Unfunded Commitments | 7,672 | 9,994 |
| Third-party closed-end funds | ||
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | ||
| Partnership interests | 16,132 | 15,364 |
| Unfunded Commitments | $ 6,208 | $ 6,257 |
| X | ||||||||||
- Definition Accrued Performance Allocations, Fair Value Disclosure No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|