Investments at Fair Value - Summary of Composition of Company's Investment Portfolio at Amortized Cost and Fair Value (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 722,356	$ 450,797
Fair Value	707,239	452,442
First Lien Debt Investments [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	513,840	307,857
Fair Value	509,228	309,054
Second Lien Debt Investments [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	87,882	87,746
Fair Value	78,220	88,220
Unsecured and Subordinated debt investments [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	62,301	0
Fair Value	62,260	0
Preferred Equity Investments [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	58,333	55,194
Fair Value	$ 57,531	$ 55,168

Cost of the investment.

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+ Details

- Definition

Fair value of investment in security owned.

+ References

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+ Details

- 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.

+ References

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+ Details