Debt - Additional Information (Details) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands			1 Months Ended		3 Months Ended			6 Months Ended			12 Months Ended
		Apr. 30, 2024	Jun. 30, 2024 USD ($)		Jun. 30, 2024 USD ($)		Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)		Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)		Jun. 30, 2024 EUR (€)	Jun. 30, 2024 CAD ($)	Jun. 30, 2024 GBP (£)	Jun. 30, 2024 AUD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2023 CAD ($)	Dec. 31, 2023 GBP (£)	Dec. 31, 2023 AUD ($)	Sep. 28, 2023 USD ($)
Line of Credit Facility [Line Items]
Aggregate Borrowing Amount Committed			$ 1,580,000		$ 1,580,000			$ 1,580,000			$ 1,380,000
Deferred financing costs			$ 13,473		$ 13,473			$ 13,473			$ 10,270
Debt [Member]
Line of Credit Facility [Line Items]
Weighted average interest rates								7.14%			7.34%
Average outstanding balance								$ 575,082			$ 125,116
Asset Coverage Ratio Requirement Description								Investment Company Act, is at least 150% after such borrowing (if certain requirements are met). As of June 30, 2024 and December 31, 2023, the Company’s asset coverage ratio based on the aggregate amount outstanding of senior securities was 396% and 741
Debt instrument asset coverage ratio			396.00%		396.00%			396.00%			741.00%		396.00%	396.00%	396.00%	396.00%	741.00%	741.00%	741.00%	741.00%
Truist Revolving Credit Facility
Line of Credit Facility [Line Items]
Weighted average interest rates	[1]				7.09%		7.10%	7.11%		7.10%
Average outstanding balance	[1]				$ 586,104		$ 88,206	$ 425,961		$ 88,206
Aggregate Borrowing Amount Committed	[2]		$ 1,180,000		1,180,000			1,180,000			$ 1,180,000
Maximum borrowing capacity			1,770,000		1,770,000			$ 1,770,000
Revolving credit facility interest rate description								Borrowings thereunder denominated in USD, including amounts drawn in respect of letters of credit, bear interest (at the Company’s election) of either (i) term SOFR plus a margin of either 2.00% or 1.75% (subject to certain gross borrowing base conditions), plus an additional 0.10% credit adjustment spread, (ii) an alternate base rate, which is the highest of (x) Prime Rate in effect on such day, (y) Federal Funds Effective Rate for such day plus 1/2 of 1.00% and (z) term SOFR for an interest period of one (1) month plus 1.00%, plus a margin of either 1.00% or 0.75% (subject to certain gross borrowing base conditions). Borrowings thereunder denominated in non-USD bear interest of the applicable term benchmark rate or daily simple risk-free rate plus a margin of either 2.00% or 1.75% (subject to certain gross borrowing base conditions), plus, in the case of borrowings denominated in (i) Pound Sterling (GBP) only, an additional 0.0326% credit adjustment spread or 0.1193% credit adjustment spread, for 1-month tenor and 3-months tenor borrowings, and (ii) Canadian Dollars only, an additional 0.29547% credit adjustment spread or 0.32138% credit adjustment spread, for 1-month tenor and 3-months tenor borrowings. With respect to borrowings denominated in USD, the Company may elect either term SOFR or an alternative base rate at the time of borrowing, and such borrowings may be converted from one benchmark to another at any time, subject to certain conditions.
Cost incurred in obtaining revolving credit facility			12,829		12,829			$ 12,829
Deferred financing costs			10,788		10,788			10,788			8,642
Truist Revolving Credit Facility | Debt [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity			1,770,000		1,770,000			1,770,000
Outstanding borrowings			395,000		395,000			395,000			123,000		€ 112,750	$ 117,435	£ 8,000	$ 23,750	€ 15,000	$ 117,435	£ 0	$ 0
Truist Revolving Credit Facility | Multicurrency Sub-Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity			900,000		900,000			900,000
Truist Revolving Credit Facility | USD Sub Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity			190,000		190,000			190,000
Truist Revolving Credit Facility | Term Loan
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 90,000		$ 90,000			$ 90,000
Truist Revolving Credit Facility | United Kingdom, Pounds
Line of Credit Facility [Line Items]
Applicable margin after expiration of reinvestment period			0.0326%		0.1193%
Truist Revolving Credit Facility | Canada, Dollars
Line of Credit Facility [Line Items]
Applicable margin after expiration of reinvestment period			0.29547%		0.32138%
BNPP Revolving Credit Facility
Line of Credit Facility [Line Items]
Weighted average interest rates					7.20%		0.00%	7.21%		0.00%
Average outstanding balance					$ 215,385		$ 0	$ 149,121		$ 0
Aggregate Borrowing Amount Committed			$ 400,000	[3]	400,000	[3]		400,000	[3]		200,000	[3]									$ 400,000
Maximum borrowing capacity																					$ 1,000,000
Cost incurred in obtaining revolving credit facility			3,163		3,163			3,163
Deferred financing costs			2,685		2,685			2,685			1,628
BNPP Revolving Credit Facility | Debt [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity			1,000,000		1,000,000			1,000,000
Outstanding borrowings			$ 400,000		$ 400,000			$ 400,000			$ 20,000
BNPP Revolving Credit Facility | SOFR
Line of Credit Facility [Line Items]
Applicable margin for interst rate annum		1.735%
Applicable margin after expiration of reinvestment period		2.735%
Line Of Credit | Senior Secured Revolving Credit Facility Non Extending Commitments [Member] | Revolving Credit Facility
Line of Credit Facility [Line Items]
Applicable margin after expiration of reinvestment period								0.10%
Minimum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument asset coverage ratio			150.00%		150.00%			150.00%					150.00%	150.00%	150.00%	150.00%
Minimum | Truist Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument asset coverage ratio			1.00%		1.00%			1.00%					1.00%	1.00%	1.00%	1.00%
Maximum | Truist Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument asset coverage ratio			1.50%		1.50%			1.50%					1.50%	1.50%	1.50%	1.50%

[1] Weighted average interest rate and average outstanding debt balance was calculated beginning on April 6, 2023, the date on which the Company entered into the Truist Revolving Credit Facility.

[2] Provides, under certain circumstances, a total borrowing capacity of $1,770,000. The Company may borrow amounts in USD or certain other permitted currencies. Debt outstanding denominated in currencies other than USD has been converted to USD using the applicable foreign currency exchange rate as of the applicable reporting date. As of June 30, 2024, the Company had outstanding borrowings denominated in USD of $395,000, in Euros of EUR 112,750, in CAD of CAD 117,435, in GBP of GBP 8,000 and in AUD of AUD 23,750. As of December 31, 2023, the Company had outstanding borrowings denominated in USD of $123,000, in Euros of EUR 15,000, in CAD of CAD 117,435, in GBP of GBP 0 and in AUD of AUD 0.

[3] Provides, under certain circumstances, a total borrowing capacity of $1,000,000. The Company may borrow amounts in USD or certain other permitted currencies. Debt outstanding denominated in currencies other than USD has been converted to USD using the applicable foreign currency exchange rate as of the applicable reporting date. As of June 30, 2024, the Company had outstanding borrowings denominated in USD of $400,000. As of December 31, 2023, the Company had outstanding borrowings denominated in USD of $20,000.