Derivative Instruments - Schedule of Net Realized and Unrealized Gains (Losses) on Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net change in unrealized gain (loss) on derivative instruments	$ 1,430		$ 1,430
Net realized and unrealized gains and losses on derivative instruments	2,238	$ (575)	(4,127)	$ (222)
Net Change In Unrealized Appreciation (Depreciation) On Foreign Currency Forward Contracts and Currency Rate Swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net change in unrealized gain (loss) on derivative instruments	1,734	416	16,327	(282)
Foreign Currency Forward Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net realized and unrealized gains and losses on derivative instruments	2,238	(575)	(4,127)	(222)
Foreign Currency Forward Contracts | Net Change In Unrealized Appreciation (Depreciation) On Foreign Currency Forward Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net change in unrealized gain (loss) on derivative instruments	304	416	14,897	(282)
Interest Rate Swaps | Designated as Hedging Instrument | Interest And Other Debt Expenses
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net realized and unrealized gains and losses on derivative instruments	9,977	4,880	23,063	3,347
Hedged Items | Designated as Hedging Instrument | Interest And Other Debt Expenses
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net realized and unrealized gains and losses on derivative instruments	(5,251)	$ (4,288)	(15,069)	$ (2,376)
Currency Swaps | Net change in unrealized appreciation (depreciation) on derivatives
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net change in unrealized gain (loss) on derivative instruments	$ 1,430		$ 1,430