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v3.25.3

Significant Accounting Policies - Additional Information (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 USD ($) DebtInvestment | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) Segment InvesteeCompany Industry Portfolio DebtInvestment | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) InvesteeCompany Industry Portfolio DebtInvestment
Purchase of investments | $ 14,200,000 |  | $ 3,000,000 | $ 42,652,000 |  | $ 54,084,000 |  |
Repayments and sales of investments | 43,800,000 |  | 14,600,000 | 76,537,000 |  | 82,206,000 |  |
Net repayments and sales of investments | $ 29,600,000 |  | 11,600,000 | $ 33,900,000 |  | 28,100,000 |  |
Number of investee companies where investments held | InvesteeCompany |  |  |  | 116 |  |  | 93 |
Percentage of investment portfolio valuation |  |  |  | 100.00% |  |  |  |
Number of debt investments on non-accrual status | DebtInvestment | 10 |  |  | 10 |  |  | 6 |
Aggregate amortized cost of debt investments on non-accrual status | $ 37,200,000 |  |  | $ 37,200,000 |  |  | $ 16,300,000 |
Investment at fair value | 539,701,000 | [1],[2],[3],[4],[5],[6] |  | 539,701,000 | [1],[2],[3],[4],[5],[6] |  | 405,021,000 | [7],[8],[9],[10],[11],[12]
Aggregate fair value of debt investments on non-accrual status | 20,800,000 |  |  | 20,800,000 |  |  | 6,900,000 |
Debt investment portfolio at fair value | 450,200,000 |  |  | 450,200,000 |  |  | 320,700,000 |
Average par balance per entity | $ 3,200,000 |  |  | $ 3,200,000 |  |  | $ 2,500,000 |
Number of debt investment portfolio industries | Industry |  |  |  | 28 |  |  | 26 |
Number of debt investment portfolio companies | Portfolio |  |  |  | 79 |  |  | 71 |
Percentage of investments in non-accrual status at amortized cost | 6.30% |  |  | 6.30% |  |  | 3.40% |
Percentage of investments in non-accrual status at fair value | 3.80% |  |  | 3.80% |  |  | 1.70% |
Number of operating segment | Segment |  |  |  | 1 |  |  |  |
Number of reporting segment | Segment |  |  |  | 1 |  |  |  |
Amortization of purchase discount on asset acquisitions | $ 3,600,000 |  |  | $ 3,600,000 |  | $ 100,000 |  |
Maximum |  |  |  |  |  |  |  |
Amortization of purchase discount on asset acquisitions |  |  | $ 100,000 |  |  |  |  |
[1] | All debt investments are income producing, unless otherwise noted. Equity and warrant investments are non-income producing, unless otherwise noted.
[2] | All investments valued using unobservable inputs (Level III), unless otherwise noted.
[3] | Percentages are based on net assets as of September 30, 2025.
[4] | Reflects the fair market value of all investments as of September 30, 2025 as determined in good faith using significant unobservable inputs by the Adviser in its role as “valuation designee” in accordance with Rule 2a-5 under the 1940 Act, pursuant to valuation policies and procedures that have been approved by the Company’s board of directors (the “Board”).
[5] | The Company's investments are generally acquired in private transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and, therefore, are generally subject to limitations on resale, and may be deemed to be “restricted securities” under the Securities Act of 1933.
[6] | The aggregate cost of investments for federal income tax purposes is approximately $572.1 million. The aggregate gross unrealized appreciation is approximately $74.1 million, the aggregate gross unrealized depreciation is approximately $106.5 million, and the net unrealized depreciation is approximately $32.4 million.
[7] | All debt investments are income producing, unless otherwise noted. Equity and warrant investments are non-income producing, unless otherwise noted.
[8] | All investments valued using unobservable inputs (Level III), unless otherwise noted.
[9] | Percentages are based on net assets as of December 31, 2024.
[10] | Reflects the fair market value of all investments as of December 31, 2024 as determined in good faith using significant unobservable inputs by the Adviser in its role as “valuation designee” in accordance with Rule 2a-5 under the 1940 Act, pursuant to valuation policies and procedures that have been approved by the Company’s board of directors (the “Board”).
[11] | The Company's investments are generally acquired in private transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and, therefore, are generally subject to limitations on resale, and may be deemed to be “restricted securities'' under the Securities Act of 1933.
[12] | The aggregate cost of investments for federal income tax purposes is approximately $458.4 million. The aggregate gross unrealized appreciation is approximately $50.0 million, the aggregate gross unrealized depreciation is approximately $103.3 million, and the net unrealized depreciation is approximately $53.3 million.

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