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FAIR VALUE MEASUREMENTS - Schedule of Variable Interest Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Other investments, maximum exposure to loss	$ 2,810,941	$ 2,802,251
Carrying amount
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Other investments, maximum exposure to loss	1,330,480	1,251,799
Unfunded Commitments
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Other investments, maximum exposure to loss	$ 1,480,461	$ 1,550,452

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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.

+ References

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph b
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-6

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