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EQUITY SECURITIES PORTFOLIO INVESTMENT - Summary of Securities (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Cost | $ 30,613 |  | $ 24,898
Gross Unrealized Gain | 599 | $ 118 |
Gross Unrealized Loss | (4,019) | (1,881) |
Fair Value | 27,193 |  | 23,135
Equity securities - other common stock |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Cost | 30,613 |  | 24,898
Gross Unrealized Gain | 599 | 118 |
Gross Unrealized Loss | (4,019) | $ (1,881) |
Fair Value | $ 27,193 |  | $ 23,135

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