Investments - Additional Information (Details)	9 Months Ended	12 Months Ended
Sep. 30, 2026 borrower loan	Dec. 31, 2025 borrower loan
Schedule of Investments [Line Items]
Number of borrowers \| borrower	6	5
Number of loans in non-accrual status \| loan	11	8
Debt Securities, Variable Rate \| Investments At Fair Value \| Investment Type Concentration Risk
Schedule of Investments [Line Items]
Concentration percentage	99.20%	99.60%
Debt Securities, Fixed Rate \| Investments At Fair Value \| Investment Type Concentration Risk
Schedule of Investments [Line Items]
Concentration percentage	0.80%	0.40%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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.

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+ Details