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INVESTMENTS - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract] |  |  |  |  |
Interest receivable | $ 2,400,000 |  | $ 2,400,000 |  | $ 2,500,000
Debt securities, available-for-sale, realized loss | 300,000 | $ 1,500,000 | 300,000 | $ 1,500,000 |
Debt securities, available-for-sale, realized gain | 500,000 | 100,000 | 900,000 | 300,000 |
Equity securities, available-for-sale, realized gain |  | 0 |  | 3,700,000 |
Equity securities, available-for-sale, realized loss |  | $ 0 |  | $ 900,000 |
HTM, allowance | $ 0 |  | $ 0 |  |

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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
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