Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Allocation of Company's Assets and Operations by Region (Parenthetical) (Details)

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Summary of Significant Accounting Policies - Allocation of Company's Assets and Operations by Region (Parenthetical) (Details) - Revenue Benchmark [Member] - Geographic Concentration Risk [Member]
9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Investment Company, Financial Highlights [Line Items]    
Concentration Risk, Percentage 100.00% 100.00%
United Kingdom    
Investment Company, Financial Highlights [Line Items]    
Concentration Risk, Percentage 47.00% 43.00%
Germany    
Investment Company, Financial Highlights [Line Items]    
Concentration Risk, Percentage 17.00%  
Luxembourg    
Investment Company, Financial Highlights [Line Items]    
Concentration Risk, Percentage 12.00% 10.00%