FAIR VALUE MEASUREMENTS - Summary of Fair Value of Structured Alternative Investment Solution (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($) d	Dec. 31, 2024 USD ($) d
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative investment	$ 42,200
Percentage of investments that cannot be redeemed	100.00%
Minimum
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Redemption Notice Period | d	30	30
Liquidation term	7 years
Maximum
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Redemption Notice Period | d	90	90
Liquidation term	9 years
Fair Value | NAV
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative investment	$ 348,150	$ 333,106
Fair Value | NAV | Open-ended
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative investment	198,226	172,409
Fair Value | NAV | Closed-ended
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative investment	$ 149,924	$ 160,697