Summary of Significant Accounting Policies - Schedule of Unobservable Inputs Used in Fair Value Measurement of Level 3 Investments (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 570,489,084	$ 552,563,994
Bank Debt
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	538,483,181	511,505,866
Other Corporate Debt
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	21,782,823	28,568,871
Equity Securities
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	10,223,080	12,489,257
Level 3
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 526,938,781	525,028,730
Level 3 | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	0.00%
Level 3 | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	100.00%
Level 3 | Market Comparable Companies | Revenue Multiple | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	0.2
Level 3 | Bank Debt
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 494,932,878	483,970,602
Level 3 | Bank Debt | Income Approach | Discount Rate
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 450,067,848	$ 428,335,957
Concluded Value	13.30%	9.30%
Level 3 | Bank Debt | Income Approach | Discount Rate | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	12.90%	9.00%
Level 3 | Bank Debt | Income Approach | Discount Rate | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	13.70%	9.60%
Level 3 | Bank Debt | Market Quotations | Indicative Bid/Ask Quotes
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 43,102,197
Weighted Average Range	1
Concluded Value	1
Level 3 | Bank Debt | Market Quotations | Indicative Quotes
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value		$ 50,067,281
Weighted Average Range		1
Concluded Value		1
Level 3 | Bank Debt | Market Comparable Companies | EBITDA Multiples
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value		$ 3,134,168
Concluded Value		1.1
Level 3 | Bank Debt | Market Comparable Companies | EBITDA Multiples | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range		1.0
Level 3 | Bank Debt | Market Comparable Companies | EBITDA Multiples | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range		1.2
Level 3 | Bank Debt | Option Pricing Model | Revenue Multiple
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value		$ 2,433,196
Concluded Value		4.8
Level 3 | Bank Debt | Option Pricing Model | Revenue Multiple | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range		4.5
Level 3 | Bank Debt | Option Pricing Model | Revenue Multiple | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range		5.0
Level 3 | Bank Debt | Option Pricing Model | Implied Volatility
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 1,762,833
Concluded Value	65.00%	65.00%
Level 3 | Bank Debt | Option Pricing Model | Implied Volatility | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	60.00%	60.00%
Level 3 | Bank Debt | Option Pricing Model | Implied Volatility | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	70.00%	70.00%
Level 3 | Bank Debt | Option Pricing Model | Term
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range, Term	2 years 3 months 18 days	3 years 3 months 18 days
Level 3 | Bank Debt | Option Pricing Model | Term | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range, Term	1 year 9 months 18 days	2 years 9 months 18 days
Level 3 | Bank Debt | Option Pricing Model | Term | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range, Term	2 years 9 months 18 days	3 years 9 months 18 days
Level 3 | Other Corporate Debt
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 21,782,823	$ 28,568,871
Level 3 | Other Corporate Debt | Income Approach | Discount Rate
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 21,074,000	$ 27,916,632
Concluded Value	14.30%	12.10%
Level 3 | Other Corporate Debt | Income Approach | Discount Rate | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	13.60%	11.30%
Level 3 | Other Corporate Debt | Income Approach | Discount Rate | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	15.10%	12.90%
Level 3 | Other Corporate Debt | Market Comparable Companies | Revenue Multiple
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 708,823	$ 652,239
Concluded Value	0.2	0.2
Level 3 | Other Corporate Debt | Market Comparable Companies | Revenue Multiple | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	0.1	0.2
Level 3 | Other Corporate Debt | Market Comparable Companies | Revenue Multiple | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range		0.2
Level 3 | Equity Securities
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 10,223,080	$ 12,489,257
Level 3 | Equity Securities | Income Approach | Discount Rate
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 3,972,472
Concluded Value	24.60%
Level 3 | Equity Securities | Income Approach | Discount Rate | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	20.30%
Level 3 | Equity Securities | Income Approach | Discount Rate | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	32.80%
Level 3 | Equity Securities | Market Quotations | Indicative Bid/Ask Quotes
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value		$ 2,428,688
Weighted Average Range		1
Concluded Value		1
Level 3 | Equity Securities | Market Comparable Companies | Revenue Multiple
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 290,704	$ 251,736
Concluded Value	2.2	0.7
Level 3 | Equity Securities | Market Comparable Companies | Revenue Multiple | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	2.1	0.6
Level 3 | Equity Securities | Market Comparable Companies | Revenue Multiple | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	2.3	0.8
Level 3 | Equity Securities | Market Comparable Companies | EBITDA Multiples
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 4,373,400	$ 7,475,576
Concluded Value	6.3	5.4
Level 3 | Equity Securities | Market Comparable Companies | EBITDA Multiples | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	5.8	5.2
Level 3 | Equity Securities | Market Comparable Companies | EBITDA Multiples | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	6.8	5.6
Level 3 | Equity Securities | Option Pricing Model | EBITDA/Revenue Multiples
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Investments, Fair Value	$ 1,586,504	$ 2,333,257
Concluded Value	3.8	4.9
Level 3 | Equity Securities | Option Pricing Model | EBITDA/Revenue Multiples | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	3.6	4.7
Level 3 | Equity Securities | Option Pricing Model | EBITDA/Revenue Multiples | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	3.9	5.2
Level 3 | Equity Securities | Option Pricing Model | Implied Volatility
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Concluded Value	63.20%	62.10%
Level 3 | Equity Securities | Option Pricing Model | Implied Volatility | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	58.20%	57.30%
Level 3 | Equity Securities | Option Pricing Model | Implied Volatility | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range	68.20%	67.00%
Level 3 | Equity Securities | Option Pricing Model | Term
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range, Term	2 years 4 months 24 days	3 years 1 month 6 days
Level 3 | Equity Securities | Option Pricing Model | Term | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range, Term	1 year 9 months 18 days	2 years 7 months 6 days
Level 3 | Equity Securities | Option Pricing Model | Term | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Weighted Average Range, Term	2 years 10 months 24 days	3 years 7 months 6 days