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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2024 | Mar. 31, 2023
Related Party Transaction [Line Items] |  |  |
Investment assets distributions receivable | $ 7,276 | $ 7,276 | $ 647
Dividends and interest | 22,928 | 22,928 | 18,430
I-45 SLF LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Initial equity capital commitment | 37,600 |  |
Return of capital distributions received | 13,600 |  |
Investment assets distributions received | 78,900 |  |
Realized loss |  | 15,000 |
Dividends and interest |  |  | 1,900
Fee income |  | 100 | $ 100
I-45 SLF LLC | Distribution, Return of Capital |  |  |
Related Party Transaction [Line Items] |  |  |
Investment assets distributions receivable | 800 | 800 |
I-45 SLF LLC | Distribution |  |  |
Related Party Transaction [Line Items] |  |  |
Investment assets distributions receivable | 6,400 | $ 6,400 |
I-45 SLF LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Initial equity capital commitment | $ 47,000 |  |

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