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v3.23.2

Significant Accounting Policies - Additional Information (Details) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 27, 2023 USD ($) | Aug. 31, 2021 USD ($) | Jun. 30, 2023 USD ($) $ / shares shares | Jun. 30, 2022 USD ($) shares | Jun. 30, 2023 USD ($) Portfolio $ / shares shares | Jun. 30, 2022 USD ($) shares | Sep. 30, 2022 USD ($) Portfolio
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Provision for taxes on net investment income |  |  | $ 200 | $ 100 | $ 800 | $ 300 |
Provision for taxes on unrealized appreciation (depreciation) on investments |  |  | 0 | 0 | 2,900 | (5,300) |
Deferred tax liability |  |  | 1,600 |  | 1,600 |  | $ 4,600
Net provision for taxes on realized gain on investments |  |  | 0 | $ 0 | 300 | $ 0 | 0
Provision for taxes on net realized gain on investments |  |  | 500 |  | 500 |  |
Prepaid tax asset |  |  | 1,200 |  | $ 1,200 |  |
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 |  |  | $ 817 |  | $ 817 |  | $ 748
Stock Issued During Period, Shares, New Issues | shares |  |  | 5,805,484 | 136,072 | 10,191,661 | 2,464,910 |
At The Market Offering [Member] |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  | 5,805,484 |  | 5,891,661 |  |
Weighted Average Price Per Share Of Common Stock Issued | $ / shares |  |  | $ 11.03 |  | $ 11.04 |  |
Proceeds from Issuance of Common Stock |  |  | $ 64,100 |  | $ 65,100 |  |
Deferred Offering Costs |  |  | $ 500 |  | $ 500 |  |
At The Market Offering [Member] | Prior Equity Distribution Agreements [Member] |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Aggregate Offering Price |  | $ 75,000 |  |  |  |  |
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 |  |  | 1.00% |  | 1.00% |  | 0.90%
Financing receivable, nonaccrual, percent past due on fair value basis |  |  | 0.00% |  | 0.00% |  | 0.00%
Number of portfolio on nonaccrual | Portfolio |  |  |  |  | 3 |  | 2

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