Organization - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			6 Months Ended
	Mar. 12, 2019	Oct. 05, 2018	Jun. 30, 2025
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Investment company committed capital		$ 326,000
Stock issued during period shares new issues	2,800,000
Stock issued during period value new issues	$ 28,000
Share price	$ 10
Investment company funded capital commitments			$ 194,300
Investment company unfunded capital commitments			131,700
Minimum [Member] | Investments [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Investee maximum borrowings			100,000
Earnings before interest tax depreciation and amortization			25,000
Maximum [Member] | Investments [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Investee maximum borrowings			300,000
Earnings before interest tax depreciation and amortization			$ 100,000