Fair Value of Financial Instruments - Schedule of Fair Value Measurements of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2026		Dec. 31, 2025
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 515,572	[1],[2]	$ 463,295	[3],[4]
First-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	447,145		388,556
Second-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	49,235		49,843
Equity and other investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	19,192		24,896
Level 1
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	0		0
Level 1 | First-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	0		0
Level 1 | Second-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	0		0
Level 1 | Equity and other investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	0		0
Level 2
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	125,840		111,730
Level 2 | First-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	98,133		81,796
Level 2 | Second-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	27,707		29,934
Level 2 | Equity and other investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	0		0
Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	389,732		351,565
Level 3 | First-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	349,012		306,760
Level 3 | Second-lien debt investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	21,528		19,909
Level 3 | Equity and other investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 19,192		$ 24,896

[1] In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 5 for further information related to investments at fair value.

[2] Unless otherwise indicated, the Company’s portfolio companies are domiciled in the United States. Under the 1940 Act, the Company would “control” a portfolio company if the Company owned more than 25% of its outstanding voting securities and/or had the power to exercise control over the management or policies of such portfolio company. As of March 31, 2026, the Company does not “control” any of its portfolio companies. Also under the 1940 Act, the Company would be deemed to be an “Affiliated Person” of a portfolio company if the Company owns more than 5% of the portfolio company’s outstanding voting securities. As of March 31, 2026, the Company does not identify any of its portfolio companies as affiliates.

[3] In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 5 for further information related to investments at fair value.

[4] Unless otherwise indicated, the Company’s portfolio companies are domiciled in the United States. Under the 1940 Act, the Company would “control” a portfolio company if the Company owned more than 25% of its outstanding voting securities and/or had the power to exercise control over the management or policies of such portfolio company. As of December 31, 2025, the Company does not “control” any of the portfolio companies. Also under the 1940 Act, the Company would be deemed to be an “Affiliated Person” of a portfolio company if the Company owns more than 5% of the portfolio company's outstanding voting securities. As of December 31, 2025, the Company does not identify any of its portfolio companies as affiliates.