Investments - Schudule of Unobservable Inputs Used In The Fair Value Measurement Of Our Level 3 Investments (Details) - Level 3 $ in Thousands	Jun. 30, 2024 USD ($)		Dec. 31, 2023 USD ($)
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	$ 8,191,991		$ 5,385,555
First Lien Secured Debt | Cost Approach | Cost Approach
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	2,227,109		1,583,890
First Lien Secured Debt | Discounted Cash Flow | Discount Rate
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	$ 5,942,853		$ 3,772,200
First Lien Secured Debt | Discounted Cash Flow | Discount Rate | Minimum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.079		0.069
First Lien Secured Debt | Discounted Cash Flow | Discount Rate | Maximum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.234		0.134
First Lien Secured Debt | Discounted Cash Flow | Discount Rate | Weighted Average
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.108	[1]	0.106	[2]
First Lien Secured Debt | Recoverability | Market Multiple
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	$ 389
First Lien Secured Debt | Recoverability | Market Multiple | Minimum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.235
First Lien Secured Debt | Recoverability | Market Multiple | Maximum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.235
First Lien Secured Debt | Recoverability | Market Multiple | Weighted Average
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.50
Second Lien Secured Debt | Discounted Cash Flow | Discount Rate
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	$ 20,795		$ 28,808
Second Lien Secured Debt | Discounted Cash Flow | Discount Rate | Minimum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.32		0.217
Second Lien Secured Debt | Discounted Cash Flow | Discount Rate | Maximum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.32		0.217
Second Lien Secured Debt | Discounted Cash Flow | Discount Rate | Weighted Average
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	0.32	[1]	0.217	[2]
Common Equity/Interests | Cost Approach | Cost Approach
Schedule of Investments [Line Items]
Assets Fair Value Disclosure			$ 125
Common Equity/Interests | Market Comparable Technique | Comparable Multiple
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	$ 542		$ 499
Common Equity/Interests | Market Comparable Technique | Comparable Multiple | Minimum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	8		8
Common Equity/Interests | Market Comparable Technique | Comparable Multiple | Maximum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	21		20.5
Common Equity/Interests | Market Comparable Technique | Comparable Multiple | Weighted Average
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	11.23	[1]	13.4	[2]
Preferred Equity | Cost Approach | Cost Approach
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	$ 123
Preferred Equity | Market Comparable Technique | Comparable Multiple
Schedule of Investments [Line Items]
Assets Fair Value Disclosure	$ 178		$ 33
Preferred Equity | Market Comparable Technique | Comparable Multiple | Minimum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	14.25		16.8
Preferred Equity | Market Comparable Technique | Comparable Multiple | Maximum
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	16.94		16.8
Preferred Equity | Market Comparable Technique | Comparable Multiple | Weighted Average
Schedule of Investments [Line Items]
Quantitative Information on Unobservable input	16.87		16.8	[2]

[1] The weighted average information is generally derived by assigning each disclosed unobservable input a proportionate weight based on the fair value of the related investment. For the commodity price unobservable input, the weighted average price is an undiscounted price based upon the estimated production level from the underlying reserves

[2] The weighted average information is generally derived by assigning each disclosed unobservable input a proportionate weight based on the fair value of the related investment. For the commodity price unobservable input, the weighted average price is an undiscounted price based upon the estimated production level from the underlying reserves.