v3.26.1
Investments and Fair Value Measurements - Fair Value of Investments (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Net change in unrealized appreciation (depreciation) on Level 3 investments still held $ 116,175 $ (371,995) $ 1,910,800 $ (1,053,020)
Level 3 [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period 1,051,359,715 697,503,705 1,028,983,017 607,116,140
Purchases of investments 101,615,177 212,425,264 177,038,616 353,550,280
Proceeds from principal pre-payments and sales of investments (97,524,582) (71,275,923) (152,846,432) (113,860,187)
Payment-in-kind 1,433,655 1,343,154 3,348,959 2,602,469
Net accretion of discount on investments 2,472,646 2,484,815 3,988,814 4,187,806
Net realized gain (loss) 1,367,251 419,390 1,598,300 1,869,187
Net change in unrealized appreciation/(depreciation) (4,165,247) 4,480,048 (5,542,684) 2,697,070
Transfers into Level 3 0 18,615,493    
Transfers into Level 3       6,269,653
Transfers out of Level 3 (1,985,025) (6,588,432) (1,995,000) (5,024,904)
Balance at end of period 1,054,573,590 859,407,514 1,054,573,590 859,407,514
Net change in unrealized appreciation (depreciation) on Level 3 investments still held (243,094) 3,421,892 (6,623,734) 3,490,386
Level 3 [Member] | First Lien Debt [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period 967,207,290 621,187,775 948,826,894 531,672,622
Purchases of investments 94,091,024 212,151,503 169,514,463 353,276,519
Proceeds from principal pre-payments and sales of investments (42,687,172) (71,275,923) (98,009,022) (113,860,187)
Payment-in-kind 904,108 529,517 2,303,638 1,013,699
Net accretion of discount on investments 1,562,665 2,301,821 3,043,196 3,831,807
Net realized gain (loss) 824,306 419,390 1,055,355 1,869,187
Net change in unrealized appreciation/(depreciation) (543,072) 5,091,087 (5,365,400) 3,383,835
Transfers into Level 3 0 18,615,493 0  
Transfers into Level 3       6,269,653
Transfers out of Level 3 (1,985,025) (6,588,432) (1,995,000) (5,024,904)
Balance at end of period 1,019,374,124 782,432,231 1,019,374,124 782,432,231
Net change in unrealized appreciation (depreciation) on Level 3 investments still held 500,926 4,032,931 (5,288,158) 4,177,151
Level 3 [Member] | Second Lien Debt [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period 83,326,811 76,315,930 79,235,481 75,443,518
Purchases of investments 0 273,761 0 273,761
Proceeds from principal pre-payments and sales of investments (54,837,410) (54,837,410) 0
Payment-in-kind 529,547 813,637 1,045,321 1,588,770
Net accretion of discount on investments 909,981 182,994 945,618 355,999
Net realized gain (loss) 542,945 542,945 0
Net change in unrealized appreciation/(depreciation) (3,380,828) (611,039) 159,091 (686,765)
Transfers into Level 3 0 0  
Transfers into Level 3       0
Transfers out of Level 3 0 0 0
Balance at end of period 27,091,046 76,975,283 27,091,046 76,975,283
Net change in unrealized appreciation (depreciation) on Level 3 investments still held (502,672) $ (611,039) 999,201 $ (686,765)
Level 3 [Member] | Profit Participation Loan [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period 0   0  
Purchases of investments 7,524,153   7,524,153  
Proceeds from principal pre-payments and sales of investments 0   0  
Payment-in-kind 0   0  
Net accretion of discount on investments 0   0  
Net realized gain (loss) 0   0  
Net change in unrealized appreciation/(depreciation) (149,045)   (149,045)  
Transfers into Level 3 0   0  
Transfers out of Level 3 0   0  
Balance at end of period 7,375,108   7,375,108  
Net change in unrealized appreciation (depreciation) on Level 3 investments still held (149,045)   (149,045)  
Level 3 [Member] | Equity [Member]        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period 825,614   920,642  
Purchases of investments 0   0  
Proceeds from principal pre-payments and sales of investments 0   0  
Payment-in-kind 0   0  
Net accretion of discount on investments 0   0  
Net realized gain (loss) 0   0  
Net change in unrealized appreciation/(depreciation) (92,302)   (187,330)  
Transfers into Level 3 0   0  
Transfers out of Level 3 0   0  
Balance at end of period 733,312   733,312  
Net change in unrealized appreciation (depreciation) on Level 3 investments still held $ (92,303)   $ (187,330)