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Significant Accounting Policies - Additional Information (Details) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 11, 2023 USD ($) | Mar. 27, 2023 USD ($) | Mar. 31, 2024 USD ($) $ / shares shares | Mar. 31, 2023 USD ($) shares | Mar. 31, 2024 USD ($) $ / shares shares | Mar. 31, 2023 USD ($) Portfolio shares | Sep. 30, 2023 USD ($) Portfolio
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Increase (Decrease) in Due to Affiliates |  |  |  |  | $ (462) | $ (3,120) |
Provision for taxes on net investment income |  |  | $ 500 | $ 200 | 700 | 700 |
Provision for taxes on unrealized appreciation (depreciation) on investments |  |  | 200 | 3,700 | 200 | 2,900 |
Deferred tax liability |  |  | 1,600 |  | 1,600 |  | $ 1,800
Net provision for taxes on realized loss on investments |  |  | 0 | (300) | 0 | (300) | 300
Provision for taxes on net realized gain on investments |  |  | 0 | $ 0 | $ 0 | $ 0 |
Excise tax percentage |  |  |  |  | 4.00% |  |
Effective tax rate before excise tax and income taxes |  |  |  |  | 0.00% |  |
Federal statutory rate |  |  |  |  | 21.00% |  |
Prepaid expenses and other assets |  |  | $ 0 |  | $ 0 |  | $ 894
Stock Issued During Period, Shares, New Issues | shares |  |  | 4,493,436 | 4,300,000 | 4,493,436 | 4,386,177 |
Equity Distribution Agreements [Member] |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Aggregate Offering Price | $ 250,000 |  |  |  |  |  |
End Of Period [Member] |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  | $ 500 |
Beginning Of Period [Member] |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  | $ 3,600 |
At The Market Offering [Member] |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  | 4,493,436 |  | 4,493,436 |  |
Weighted Average Price Per Share Of Common Stock Issued | $ / shares |  |  | $ 11.35 |  | $ 11.35 |  |
Proceeds From Issuance Of Common Stock Gross |  |  | $ 51,000 |  |  |  |
Deferred Offering Costs |  |  | $ 600 |  | $ 600 |  |
At The Market Offering [Member] | Equity Distribution Agreements [Member] |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Aggregate Offering Price |  | $ 100,000 |  |  |  |  |
Past Due 30 Days or More |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Financing receivable, nonaccrual, percent past due on cost basis |  |  | 0.40% |  | 0.40% |  | 0.90%
Financing receivable, nonaccrual, percent past due on fair value basis |  |  | 0.30% |  | 0.30% |  | 0.20%
Number of portfolio on nonaccrual | Portfolio |  |  |  |  |  | 1 | 3

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