FAIR VALUE - Schedule of Investments Using NAV per Share (Details) - Consolidated Funds - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
FAIR VALUE
Investments (held at fair value)	$ 1,934,868	$ 1,642,489
Investments Measured at NAV
FAIR VALUE
Investments (held at fair value)	1,934,868	1,642,489
Investments Measured at NAV \| Non-core investments
FAIR VALUE
Investments (held at fair value)	1,934,868	1,642,489
Unfunded commitments	$ 1,000,749	$ 738,621

Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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.

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