Investments at Fair Value (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Investments at Fair Value

Investments at fair value consisted of the following at December 31, 2023 and December 31, 2022:

	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

	December 31, 2022
	Amortized Cost (1)		Fair Value		Net Unrealized Gain (Loss)
First-lien debt investments	$	801,223	$	800,995	$	(228	)
Equity and other investments		7,806		7,806		—
Total Investments	$	809,029	$	808,801	$	(228	)

(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 December 31, 2023 and December 31, 2022, is as follows:

	December 31, 2023			December 31, 2022
Automotive		1.9	%		—
Business Services		25.4	%		0.8	%
Chemicals		0.7	%		2.4	%
Communications		1.9	%		—
Education		4.6	%		—
Financial Services		18.3	%		32.4	%
Healthcare		3.8	%		—
Human Resource Support Services		8.5	%		18.0	%
Insurance		1.9	%		—
Internet Services		8.3	%		0.7	%
Manufacturing		9.9	%		16.3	%
Oil, Gas and Consumable Fuels		7.4	%		—
Retail and Consumer Products		7.4	%		29.4	%
Total		100.0	%		100.0	%

Summary of Geographic Composition of Investments at Fair Value

The geographic composition of investments at fair value at December 31, 2023 and December 31, 2022 is as follows:

	December 31, 2023			December 31, 2022
United States
Midwest		16.0	%		18.1	%
Northeast		23.1	%		45.5	%
South		7.4	%		0.7	%
West		40.3	%		32.5	%
Canada		1.9	%		—
Finland (1)		0.0	%		—
Germany		0.3	%		0.4	%
Luxembourg		0.1	%		0.4	%
Netherlands		0.1	%		—
Norway		5.4	%		2.4	%
United Kingdom		5.4	%		—
Total		100.0	%		100.0	%

(1)Value rounds to less than 0.1%.