Investments - Additional Information (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2025 borrower loan	Dec. 31, 2024 loan borrower
Schedule of Investments [Line Items]
Number of borrowers | borrower	3	4
Number of loans in non-accrual status | loan	4	5
Debt Securities, Variable Rate | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
Concentration percentage	99.40%	99.80%
Debt Securities, Fixed Rate | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
Concentration percentage	0.60%	0.20%