Fair Value Measurement - Summary of Changes in Fair Value of Level 3 Assets By Investment Type (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Gain (Loss) on Investments
Net Change in Unrealized Appreciation (Depreciation) for assets still held		$ 11,127	$ 650
1st Lien/Senior Secured Debt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net Change in Unrealized Appreciation (Depreciation) for assets still held		11,385	650
1st Lien/Last-Out Unitranche
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net Change in Unrealized Appreciation (Depreciation) for assets still held		(236)
2nd Lien/Senior Secured Debt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning Balance		20,017
Net Change in Unrealized Appreciation (Depreciation) for assets still held		250
Preferred Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net Change in Unrealized Appreciation (Depreciation) for assets still held		(272)
Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning Balance		1,605,348
Purchases	[1]	1,436,031	453,363
Net Realized Gain (Loss)		(4,005)	2
Net Change in Unrealized Appreciation (Depreciation)		16,390	650
Sales and Settlements	[1]	(49,899)	(1,557)
Net Amortization of Premium/Discount		3,576	414
Ending Balance		3,007,441	452,872
Level 3 | 1st Lien/Senior Secured Debt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning Balance		1,418,647
Purchases	[1]	1,375,300	453,363
Net Realized Gain (Loss)		(4,005)	2
Net Change in Unrealized Appreciation (Depreciation)		16,648	650
Sales and Settlements	[1]	(49,899)	(1,557)
Net Amortization of Premium/Discount		3,319	414
Ending Balance		2,760,010	$ 452,872
Level 3 | 1st Lien/Last-Out Unitranche
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning Balance		166,684
Purchases	[1]	50,355
Net Change in Unrealized Appreciation (Depreciation)		(236)
Net Amortization of Premium/Discount		236
Ending Balance		217,039
Level 3 | 2nd Lien/Senior Secured Debt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Purchases	[1]	2,061
Net Change in Unrealized Appreciation (Depreciation)		250
Net Amortization of Premium/Discount		21
Ending Balance		22,349
Level 3 | Preferred Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Purchases	[1]	3,101
Net Change in Unrealized Appreciation (Depreciation)		(272)
Ending Balance		2,829
Level 3 | Common Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Purchases	[1]	5,214
Ending Balance		$ 5,214

[1] Purchases may include PIK, securities received in corporate actions and restructurings. Sales and Settlements may include securities delivered in corporate actions and restructuring of investments.