Investments at Fair Value (Tables)

6 Months Ended

Jun. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Summary of Investments at Fair Value

Investments at fair value consisted of the following at June 30, 2024 and December 31, 2023:

	June 30, 2024
	Amortized Cost (1)		Fair Value		Net Unrealized Gain (Loss)
First-lien debt investments	$	4,620,672	$	4,705,472	$	84,800
Second-lien debt investments		86,743		90,299		3,556
Mezzanine debt investments		112,015		116,296		4,281
Equity and other investments		90,910		94,080		3,170
Total Investments	$	4,910,340	$	5,006,147	$	95,807

	December 31, 2023
	Amortized Cost (1)		Fair Value		Net Unrealized Gain (Loss)
First-lien debt investments	$	2,792,928	$	2,850,885	$	57,957
Second-lien debt investments		77,895		79,091		1,196
Mezzanine debt investments		104,352		106,524		2,172
Equity and other investments		62,651		62,651		—
Total Investments	$	3,037,826	$	3,099,151	$	61,325

(1)The amortized cost represents the original cost adjusted for the amortization of discounts or premiums, as applicable, on debt investments using the effective interest method.

Summary of Industry Composition of Investments at Fair Value

The industry composition of investments at fair value at June 30, 2024 and December 31, 2023:

	June 30, 2024			December 31, 2023
Automotive		7.0	%		1.9	%
Business Services		22.9	%		25.4	%
Chemicals		0.5	%		0.7	%
Communications		7.8	%		1.9	%
Education		3.2	%		4.6	%
Financial Services		11.7	%		18.3	%
Healthcare		2.4	%		3.8	%
Hotel, Gaming and Leisure		4.1	%		—
Human Resource Support Services		5.3	%		8.5	%
Insurance		1.2	%		1.9	%
Internet Services		5.7	%		8.3	%
Manufacturing		10.6	%		9.9	%
Oil, Gas and Consumable Fuels		4.4	%		7.4	%
Other		1.6	%		—
Pharmaceuticals		3.6	%		—
Retail and Consumer Products		6.8	%		7.4	%
Transportation		1.2	%		—
Total		100.0	%		100.0	%

Summary of Geographic Composition of Investments at Fair Value

The geographic composition of investments at fair value at June 30, 2024 and December 31, 2023:

	June 30, 2024			December 31, 2023
United States
Midwest		18.9	%		16.0	%
Northeast		20.8	%		23.1	%
South		11.2	%		7.4	%
West		28.2	%		40.3	%
Canada		1.8	%		1.9	%
Finland (1)		0.0	%		0.0	%
France		1.6	%		—
Germany		0.2	%		0.3	%
Luxembourg		0.1	%		0.1	%
Netherlands		0.2	%		0.1	%
Norway		8.0	%		5.4	%
Sweden		0.1	%		—
United Kingdom		8.9	%		5.4	%
Total		100.0	%		100.0	%

(1)Value rounds to less than 0.1%