Investments and Fair Value Measurements - Investments at Cost and Fair Value by Geographic Region (Details) - USD ($)	Mar. 31, 2026		Dec. 31, 2025
Investments [Abstract]
Amortized Cost	$ 1,100,225,398	[1],[2]	$ 1,111,590,336	[3],[4]
Fair Value	$ 1,096,362,224	[2]	$ 1,109,977,047	[4]
Percentage of total investments at fair value	100.00%		100.00%
Percentage of Net Assets	147.20%	[2]	157.05%	[4]
United States [Member]
Investments [Abstract]
Amortized Cost	$ 917,338,191		$ 926,547,693
Fair Value	$ 911,958,219		$ 922,106,713
Percentage of total investments at fair value	83.18%		83.07%
Percentage of Net Assets	122.44%		130.47%
Canada [Member]
Investments [Abstract]
Amortized Cost	$ 96,414,777		$ 96,593,415
Fair Value	$ 97,358,422		$ 97,826,849
Percentage of total investments at fair value	8.88%		8.81%
Percentage of Net Assets	13.07%		13.84%
Germany [Member]
Investments [Abstract]
Amortized Cost	$ 85,109,813		$ 85,032,755
Fair Value	$ 85,648,901		$ 86,857,421
Percentage of total investments at fair value	7.81%		7.83%
Percentage of Net Assets	11.50%		12.29%
United Kingdom [Member]
Investments [Abstract]
Amortized Cost	$ 1,362,617		$ 1,435,997
Fair Value	$ 1,396,682		$ 1,186,114
Percentage of total investments at fair value	0.13%		0.11%
Percentage of Net Assets	0.19%		0.17%
Luxembourg [Member]
Investments [Abstract]
Amortized Cost	$ 0		$ 1,980,476
Fair Value	$ 0		$ 1,999,950
Percentage of total investments at fair value	0.00%		0.18%
Percentage of Net Assets	0.00%		0.28%

[1] The cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method in accordance with accounting principles generally accepted in the United States of America U.S. GAAP.

[2] Unless otherwise indicated, issuers of debt and equity investments held by the Company are domiciled in the United States.

[3] The cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method in accordance with accounting principles generally accepted in the United States of America U.S. GAAP.

[4] Unless otherwise indicated, issuers of debt and equity investments held by the Company are domiciled in the United States. Unless otherwise indicated, the debt investments are first lien positions.