COMMITMENTS AND CONTINGENCIES - Summary of Principal Balances of Unused Line of Credit and Delayed Draw Term Debt Commitments and Guaranties (Details) - USD ($) $ in Thousands  | 
9 Months Ended | 12 Months Ended | 
|---|---|---|
Dec. 31, 2023  | 
Mar. 31, 2023  | 
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| Other Commitments [Line Items] | ||
| Total | $ 1,500 | $ 2,150 | 
| Unused line of credit commitments | ||
| Other Commitments [Line Items] | ||
| Total | $ 1,500 | $ 2,150 | 
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- Definition Amount of funds committed to investment company from investors. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Details 
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