Investments at Fair Value - Summary of Geographic Composition of Investments at Fair Value (Parenthetical) (Details)	Sep. 30, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	100.00%	100.00%
Finland
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	0.00%
Finland \| Maximum
Schedule Of Available For Sale Securities [Line Items]
Investment fair value percentage	0.10%

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