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Summary of Significant Accounting Policies - Schedule of Changes in Investments (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Marketable Securities [Line Items]    
Beginning Balance $ 1,794,758,336  
Ending Balance 1,533,302,472 $ 1,794,758,336
Level 3    
Marketable Securities [Line Items]    
Beginning Balance 1,765,787,785  
Ending Balance 1,532,874,531 1,765,787,785
Level 3 | Independent Third-Party Valuation    
Marketable Securities [Line Items]    
Beginning Balance 1,764,630,382 1,506,246,606
Net realized and unrealized gains (losses) $ (181,528,286) $ (188,000,371)
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 $ 246,534,267 $ 937,437,109
Dispositions (291,875,436) (495,925,937)
Transfers into Level 3   4,872,975
Transfers out of Level 3 (5,588,611)  
Ending Balance 1,532,172,316 1,764,630,382
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) $ (158,206,478) $ (172,566,306)
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
Level 3 | Valuation Designee    
Marketable Securities [Line Items]    
Beginning Balance $ 1,157,403 $ 844,615
Net realized and unrealized gains (losses) (1,620,820) 312,788
Dispositions (4,422,979)  
Transfers into Level 3 5,588,611  
Ending Balance 702,215 1,157,403
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) $ (2,349,804) $ 312,788
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
Level 3 | Bank Debt | Independent Third-Party Valuation    
Marketable Securities [Line Items]    
Beginning Balance $ 1,549,242,872 $ 1,289,587,391
Net realized and unrealized gains (losses) $ (123,888,461) $ (123,839,154)
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 $ 208,904,178 $ 871,166,493
Dispositions (275,698,927) (492,544,833)
Transfers into Level 3   4,872,975
Transfers out of Level 3 0  
Ending Balance 1,358,559,662 1,549,242,872
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) $ (100,380,759) $ (110,587,996)
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
Level 3 | Bank Debt | Valuation Designee    
Marketable Securities [Line Items]    
Beginning Balance $ 0 $ 0
Net realized and unrealized gains (losses) 0 0
Dispositions 0  
Transfers into Level 3 0  
Ending Balance 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
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
Level 3 | Other Corporate Debt | Independent Third-Party Valuation    
Marketable Securities [Line Items]    
Beginning Balance $ 64,772,456 $ 52,318,937
Net realized and unrealized gains (losses) $ 0 $ (8,098,224)
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 $ 0 $ 20,551,743
Dispositions 0 0
Transfers into Level 3   0
Transfers out of Level 3 (5,016,018)  
Ending Balance 59,756,438 64,772,456
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 $ (8,098,224)
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
Level 3 | Other Corporate Debt | Valuation Designee    
Marketable Securities [Line Items]    
Beginning Balance $ 0 $ 0
Net realized and unrealized gains (losses) (2,349,304) 0
Dispositions (2,539,224)  
Transfers into Level 3 5,016,018  
Ending Balance 127,490 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) $ (2,349,828) $ 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
Level 3 | Equity Securities | Independent Third-Party Valuation    
Marketable Securities [Line Items]    
Beginning Balance $ 150,615,054 $ 164,340,278
Net realized and unrealized gains (losses) $ (57,639,825) $ (56,062,993)
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 $ 37,630,089 $ 45,718,873
Dispositions (16,176,509) (3,381,104)
Transfers into Level 3   0
Transfers out of Level 3 (572,593)  
Ending Balance 113,856,216 150,615,054
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) $ (57,825,719) $ (53,880,086)
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
Level 3 | Equity Securities | Valuation Designee    
Marketable Securities [Line Items]    
Beginning Balance $ 1,157,403 $ 844,615
Net realized and unrealized gains (losses) 728,484 312,788
Dispositions (1,883,755)  
Transfers into Level 3 572,593  
Ending Balance 574,725 1,157,403
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) $ 24 $ 312,788
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