Debt - Schedule of Debt Obligations (Details) - USD ($) $ in Thousands		Mar. 31, 2025		Jan. 06, 2025	Dec. 31, 2024		Sep. 16, 2024	Jun. 10, 2024	Mar. 04, 2024
Debt Instrument [Line Items]
Aggregate Principal Amount Committed		$ 5,880,000			$ 4,400,000
Outstanding Principal		3,885,999			4,348,724
Amount Available		1,965,361	[1]		45,336	[2]
Carrying Value		3,841,468	[3],[4]		4,288,601	[5],[6]
2029 Notes
Debt Instrument [Line Items]
Aggregate Principal Amount Committed		750,000			750,000			$ 150,000	$ 600,000
Outstanding Principal		750,000			750,000
Carrying Value		745,680	[3],[4]		734,740	[5],[6]
January 2030 Notes
Debt Instrument [Line Items]
Aggregate Principal Amount Committed		600,000			600,000		$ 600,000
Outstanding Principal		600,000			600,000
Carrying Value		578,057	[3],[4]		567,276	[5],[6]
July 2030 Notes
Debt Instrument [Line Items]
Aggregate Principal Amount Committed		750,000		$ 750,000
Outstanding Principal		750,000
Carrying Value	[3],[4]	750,078
Subscription Facility
Debt Instrument [Line Items]
Aggregate Principal Amount Committed		1,500,000			1,500,000
Outstanding Principal		21,180			1,496,759
Amount Available		1,478,820	[1]		3,241	[2]
Carrying Value		19,288	[3],[4]		1,493,740	[5],[6]
Revolving Credit Facility
Debt Instrument [Line Items]
Aggregate Principal Amount Committed		2,280,000			1,550,000
Outstanding Principal		1,764,819			1,501,965
Amount Available		486,541	[1]		42,095	[2]
Carrying Value		$ 1,748,365	[3],[4]		$ 1,492,845	[5],[6]

[1] The amount available may be subject to limitations related to the borrowing base under the Subscription Facility, Revolving Credit Facility, outstanding letters of credit issued and asset coverage requirements.

[2] The amount available may be subject to limitations related to the borrowing base under the Subscription Facility, the Revolving Credit Facility, outstanding letters of credit issued, and asset coverage requirements.

[3] The carrying value of the 2029 Notes, January 2030 Notes, and July 2030 Notes are presented inclusive of an incremental $(9.1) million, $13.7 million and $(14.2) million, respectively, which represents an adjustment in the carrying value of the 2029 Notes, January 2030 Notes and July 2030 Notes, resulting from a hedge accounting relationship.

[4] The carrying values of the Subscription Facility, Revolving Credit Facility, the 2029 Notes, January 2030 Notes and July 2030 Notes are presented net of the combination of deferred financing costs and original issue discounts totaling $1.9 million, $16.5 million, $13.4 million, $8.2 million and $14.2 million, respectively.

[5] The carrying value of the 2029 Notes and January 2030 Notes are presented inclusive of an incremental $1.1 million and $24.1 million, respectively, which represents an adjustment in the carrying value of the 2029 Notes and January 2030 Notes, resulting from a hedge accounting relationship.

[6] The carrying values of the Subscription Facility, Revolving Credit Facility, 2029 Notes and January 2030 Notes are presented net deferred financing costs $3.0 million, $9.1 million, $14.2 million, and $8.6 million, respectively.