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RELATED PARTY TRANSACTIONS - Schedule of Related Party Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Related Party Transactions [Abstract] |  |  |  |  |
Base management fee |  |  |  | 1.75% | 1.75%
Average total assets subject to base management fee |  | $ 662,400 | $ 566,629 | $ 654,514 | $ 571,314
Multiplied by prorated annual base management fee of 1.75% |  | 0.4375% | 0.4375% | 0.875% | 0.875%
Base management fee | [1] | $ 2,898 | $ 2,479 | $ 5,727 | $ 4,999
Portfolio company fee credit |  | (689) | (59) | (1,093) | (1,928)
Syndicated loan fee credit |  | (31) | (43) | (63) | (101)
Net Base Management Fee |  | 2,178 | 2,377 | 4,571 | 2,970
Loan servicing fee | [1] | 1,923 | 1,520 | 3,797 | 2,982
Credits to base management fee – loan servicing fee |  | (1,923) | (1,520) | (3,797) | (2,982)
Net Loan Servicing Fee |  | 0 | 0 | 0 | 0
Incentive fee | [1] | 2,408 | 1,971 | 4,589 | 4,062
Incentive fee credit |  | 0 | 0 | 0 | 0
Net Incentive Fee |  | 2,408 | 1,971 | 4,589 | 4,062
Credit to Fees From Adviser - other |  | $ (720) | $ (102) | $ (1,156) | $ (2,029)
[1] | Refer to Note 4—Related Party Transactions in the accompanying Notes to Consolidated Financial Statements for additional information.

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