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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 3 Months Ended
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Mar. 31, 2025
Accounting Policies [Abstract] |
Schedule of Investment Income | A presentation of total investment income MSC Income received from its Investment Portfolio in each of the periods presented is as follows:
| Three Months Ended March 31, |  |
| 2025 |  | 2024 |  |  |  |
| (dollars in thousands)
Interest, fee and dividend income: |  |  |  |  |  |  |
Interest income | $ | 27,424 |  |  | $ | 29,059 |  |  |  |  |
Dividend income | 5,142 |  |  | 2,472 |  |  |  |  |
Fee income | 661 |  |  | 2,419 |  |  |  |  |
Total investment income | $ | 33,227 |  |  | $ | 33,950 |  |  |  |  |

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