Summary of Significant Accounting Policies - Schedule of Changes in Investments (Details) - Level 3 - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Independent Third-Party Valuation
Marketable Securities [Line Items]
Beginning balance	$ 2,084,879,681	$ 1,572,424,149	$ 1,506,246,606	$ 1,514,008,603
Net realized and unrealized gains (losses)	$ (87,085,682)	$ (3,380,014)	$ (108,039,824)	$ (3,517,079)
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments
Acquisitions	$ 137,180,957	$ 71,572,023	$ 737,668,840	$ 155,636,640
Dispositions	(184,700,040)	(85,597,834)	(207,065,284)	(111,109,840)
Transfers into Level 3	2,795,614	12,140,580	27,512,314	12,140,580
Transfers out of Level 3		(47,666,589)	(3,252,122)	(47,666,589)
Ending balance	1,953,070,530	1,519,492,315	1,953,070,530	1,519,492,315
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ (79,731,357)	$ (3,630,012)	$ (108,064,839)	$ (9,908,520)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
Valuation Designee
Marketable Securities [Line Items]
Beginning balance	$ 877,248	$ 1,233,683	$ 844,615	$ 2,820,823
Net realized and unrealized gains (losses)		(228,854)	32,087	(104,271)
Acquisitions			546	606,666
Dispositions		(85,905)		(2,404,294)
Ending balance	877,248	918,924	877,248	918,924
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ 0	$ 76,185	$ 32,087	$ (298,963)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
Bank Debt | Independent Third-Party Valuation
Marketable Securities [Line Items]
Beginning balance	$ 1,852,766,795	$ 1,309,686,377	$ 1,289,587,391	$ 1,258,052,376
Net realized and unrealized gains (losses)	$ (81,402,083)	$ 2,017,353	$ (74,411,433)	$ 5,035,436
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments
Acquisitions	$ 130,850,647	$ 70,382,302	$ 685,719,758	$ 144,481,866
Dispositions	(179,133,867)	(85,554,802)	(199,278,802)	(111,038,448)
Transfers into Level 3	2,795,614	12,140,580	27,512,314	12,140,580
Transfers out of Level 3		(47,666,589)	(3,252,122)	(47,666,589)
Ending balance	1,725,877,106	1,261,005,221	1,725,877,106	1,261,005,221
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ (74,624,371)	$ 1,767,355	$ (76,155,049)	$ (1,357,697)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
Bank Debt | Valuation Designee
Marketable Securities [Line Items]
Beginning balance	$ 0	$ 0	$ 0	$ 531,024
Net realized and unrealized gains (losses)		0	0	(1,400)
Acquisitions			0	1,400
Dispositions		0		(531,024)
Ending balance	0	0	0	0
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ 0	$ 0	$ 0	$ 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
Other Corporate Debt | Independent Third-Party Valuation
Marketable Securities [Line Items]
Beginning balance	$ 71,542,109	$ 69,351,439	$ 52,318,937	$ 68,451,437
Net realized and unrealized gains (losses)	$ 59,452	$ 508,857	$ 803,441	$ 1,371,823
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments
Acquisitions	$ 177,626	$ 31,141	$ 18,114,243	$ 68,177
Dispositions	(5,542,566)	0	(5,000,000)	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3		0	0	0
Ending balance	66,236,621	69,891,437	66,236,621	69,891,437
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ 237,078	$ 508,858	$ 803,441	$ 1,371,823
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
Other Corporate Debt | Valuation Designee
Marketable Securities [Line Items]
Beginning balance	$ 0	$ 390,944	$ 0	$ 1,415,738
Net realized and unrealized gains (losses)		(305,039)	0	(147,734)
Acquisitions			0	0
Dispositions		(85,905)		(1,268,004)
Ending balance	0	0	0	0
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ 0	$ 0	$ 0	$ 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
Equity Securities | Independent Third-Party Valuation
Marketable Securities [Line Items]
Beginning balance	$ 160,570,777	$ 193,386,333	$ 164,340,278	$ 187,504,790
Net realized and unrealized gains (losses)	$ (5,743,051)	$ (5,906,224)	$ (34,431,832)	$ (9,924,338)
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments	Gain (Loss) on Investments
Acquisitions	$ 6,152,684	$ 1,158,580	$ 33,834,839	$ 11,086,597
Dispositions	(23,607)	(43,032)	(2,786,482)	(71,392)
Transfers into Level 3	0	0	0	0
Transfers out of Level 3		0	0	0
Ending balance	160,956,803	188,595,657	160,956,803	188,595,657
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ (5,344,064)	$ (5,906,225)	$ (32,713,231)	$ (9,922,646)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
Equity Securities | Valuation Designee
Marketable Securities [Line Items]
Beginning balance	$ 877,248	$ 842,739	$ 844,615	$ 874,061
Net realized and unrealized gains (losses)		76,185	32,087	44,863
Acquisitions			546	605,266
Dispositions		0		(605,266)
Ending balance	877,248	918,924	877,248	918,924
Net change in unrealized appreciation/depreciation during the period on investments still held at period end (included in net realized and unrealized gains/losses, above)	$ 0	$ 76,185	$ 32,087	$ (298,963)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments