Summary of Significant Accounting Policies - Schedule of Changes in Investments Categorized as Level 3 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 525,028,730	$ 427,526,484
Net realized and unrealized gains (losses)	$ (20,715,252)	$ 42,016,721
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
Acquisitions	$ 221,556,821	$ 264,441,713
Dispositions	(191,047,668)	(204,220,410)
Transfers into Level 3	7,041,150	0
Transfers out of Level 3	(14,925,000)	(4,735,778)
Ending balance	526,938,781	525,028,730
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)	$ (19,431,551)	$ 12,609,395
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax
Bank Debt
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 483,970,602	$ 353,651,555
Net realized and unrealized gains (losses)	$ (16,007,901)	$ 11,220,420
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
Acquisitions	$ 221,215,875	$ 251,587,012
Dispositions	(186,361,848)	(127,752,607)
Transfers into Level 3	7,041,150	0
Transfers out of Level 3	(14,925,000)	(4,735,778)
Ending balance	494,932,878	483,970,602
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)	$ (14,698,324)	$ 10,376,600
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax
Other Corporate Debt
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 28,568,871	$ 61,573,500
Net realized and unrealized gains (losses)	$ (2,616,909)	$ 287,700
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
Acquisitions	$ 6,245	$ 941,551
Dispositions	(4,175,384)	(34,233,880)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Ending balance	21,782,823	28,568,871
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)	$ (2,632,348)	$ 106,071
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax
Equity Securities
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 12,489,257	$ 12,301,429
Net realized and unrealized gains (losses)	$ (2,090,442)	$ 30,508,601
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
Acquisitions	$ 334,701	$ 11,913,150
Dispositions	(510,436)	(42,233,923)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Ending balance	10,223,080	12,489,257
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)	$ (2,100,879)	$ 2,126,724
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax	Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax