v3.26.1
Fair Value Measurement - Summary of Reconciliation of Level 3 Assets (Detail) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Transfers Out $ (1,436,382)  
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Begining Balance 1,824,666,883 $ 1,605,861,830
Purchases (including PIK) 178,004,369 528,467,705
Sales and principal payments (72,899,114) (311,707,754)
Realized Gain (Loss) (7,147) 4,504,561
Net Amortization of Premium/Discount 2,866,139 8,261,981
Transfers Out (1,436,382) 0
Net Change in Unrealized Appreciation (Depreciation) (25,485,773) (10,721,440)
Ending Balance 1,905,708,975 1,824,666,883
Change in Unrealized Appreciation (Depreciation) for Investments Still Held (25,520,383) (7,661,021)
Fair Value, Inputs, Level 3 [Member] | Senior Debt Obligations [Member] | 1st Lien/Senior Secured Debt [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Begining Balance 1,802,229,181 1,582,307,975
Purchases (including PIK) 178,034,667 525,816,354
Sales and principal payments (72,899,114) (304,780,076)
Realized Gain (Loss) 39,676 163,320
Net Amortization of Premium/Discount 2,860,607 8,256,314
Transfers Out 0 0
Net Change in Unrealized Appreciation (Depreciation) (24,615,604) (9,534,706)
Ending Balance 1,885,649,413 1,802,229,181
Change in Unrealized Appreciation (Depreciation) for Investments Still Held (24,632,238) (6,933,652)
Fair Value, Inputs, Level 3 [Member] | Senior Debt Obligations [Member] | 2nd Lien/Junior Secured Debt [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Begining Balance 2,574,947 2,825,397
Purchases (including PIK) 0 0
Sales and principal payments 0 0
Realized Gain (Loss) 0 0
Net Amortization of Premium/Discount 5,532 5,667
Transfers Out 0 0
Net Change in Unrealized Appreciation (Depreciation) (678,619) (256,117)
Ending Balance 1,901,860 2,574,947
Change in Unrealized Appreciation (Depreciation) for Investments Still Held (678,620) (256,117)
Fair Value, Inputs, Level 3 [Member] | Preferred Stock [Member] | Equity Funds [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Begining Balance 8,128,435 8,028,728
Purchases (including PIK) 0 442,239
Sales and principal payments 0 (1,575,208)
Realized Gain (Loss) 0 680,703
Net Amortization of Premium/Discount 0 0
Transfers Out 0 0
Net Change in Unrealized Appreciation (Depreciation) (503,861) 551,973
Ending Balance 7,624,574 8,128,435
Change in Unrealized Appreciation (Depreciation) for Investments Still Held (503,861) 697,799
Fair Value, Inputs, Level 3 [Member] | Common Stock and LP [Member] | Equity Funds [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Begining Balance 9,632,220 10,996,373
Purchases (including PIK) (30,298) 2,209,112
Sales and principal payments 0 (5,352,470)
Realized Gain (Loss) 0 3,660,538
Net Amortization of Premium/Discount 0 0
Transfers Out (1,436,382) 0
Net Change in Unrealized Appreciation (Depreciation) (773,751) (1,881,333)
Ending Balance 7,391,789 9,632,220
Change in Unrealized Appreciation (Depreciation) for Investments Still Held (773,750) (1,567,794)
Fair Value, Inputs, Level 3 [Member] | Warrant [Member] | Equity Funds [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Begining Balance 2,102,100 1,703,357
Purchases (including PIK) 0 0
Sales and principal payments 0 0
Realized Gain (Loss) (46,823) 0
Net Amortization of Premium/Discount 0 0
Transfers Out 0 0
Net Change in Unrealized Appreciation (Depreciation) 1,086,062 398,743
Ending Balance 3,141,339 2,102,100
Change in Unrealized Appreciation (Depreciation) for Investments Still Held $ 1,068,086 $ 398,743