Investments and Fair Value Measurements - Fair Value of Investments (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| 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 | $ (371,995) | $ 11,637 | $ (1,053,020) | $ 11,637 |
| Level 3 [Member] | ||||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||||
| Balance at beginning of period | 697,503,705 | 235,742,914 | 607,116,140 | 157,468,285 |
| Purchases of investments | 212,425,264 | 140,921,962 | 353,550,280 | 239,317,012 |
| Proceeds from principal pre-payments and sales of investments | (71,275,923) | (31,046,387) | (113,860,187) | (36,529,551) |
| Payment-in-kind | 1,343,154 | 1,157,245 | 2,602,469 | 2,139,660 |
| Net accretion of discount on investments | 2,484,815 | 955,594 | 4,187,806 | 1,491,476 |
| Net realized gain (loss) | $ 419,390 | $ 282,797 | $ 1,869,187 | $ 300,109 |
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax | Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax | Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax | Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax |
| Net change in unrealized appreciation/(depreciation) | $ 4,480,048 | $ 128,578 | $ 2,697,070 | $ 434,813 |
| Transfers into Level 3 | 18,615,493 | 9,255,423 | ||
| Transfers into Level 3 | 6,269,653 | 1,981,667 | ||
| Transfers out of Level 3 | (6,588,432) | (990,000) | (5,024,904) | (10,195,345) |
| Balance at end of period | 859,407,514 | 356,408,126 | 859,407,514 | 356,408,126 |
| Net change in unrealized appreciation (depreciation) on Level 3 investments still held | $ 3,421,892 | $ 128,578 | $ 3,490,386 | $ 434,813 |
| 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, Operating, after Tax | Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax | Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax | Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax |
| 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 | $ 621,187,775 | $ 215,939,500 | $ 531,672,622 | $ 138,418,209 |
| Purchases of investments | 212,151,503 | 140,921,962 | 353,276,519 | 239,317,012 |
| Proceeds from principal pre-payments and sales of investments | (71,275,923) | (31,046,387) | (113,860,187) | (36,529,551) |
| Payment-in-kind | 529,517 | 465,108 | 1,013,699 | 766,126 |
| Net accretion of discount on investments | 2,301,821 | 835,950 | 3,831,807 | 1,257,980 |
| Net realized gain (loss) | 419,390 | 282,797 | 1,869,187 | 300,109 |
| Net change in unrealized appreciation/(depreciation) | 5,091,087 | 171,879 | 3,383,835 | 520,025 |
| Transfers into Level 3 | 18,615,493 | 9,255,423 | ||
| Transfers into Level 3 | 6,269,653 | 1,981,667 | ||
| Transfers out of Level 3 | (6,588,432) | (990,000) | (5,024,904) | (10,195,345) |
| Balance at end of period | 782,432,231 | 335,836,232 | 782,432,231 | 335,836,232 |
| Net change in unrealized appreciation (depreciation) on Level 3 investments still held | 4,032,931 | 171,879 | 4,177,151 | 520,025 |
| 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 | 76,315,930 | 19,803,414 | 75,443,518 | 19,050,076 |
| Purchases of investments | 273,761 | 0 | 273,761 | 0 |
| Proceeds from principal pre-payments and sales of investments | 0 | 0 | 0 | 0 |
| Payment-in-kind | 813,637 | 692,137 | 1,588,770 | 1,373,534 |
| Net accretion of discount on investments | 182,994 | 119,644 | 355,999 | 233,496 |
| Net realized gain (loss) | 0 | 0 | 0 | 0 |
| Net change in unrealized appreciation/(depreciation) | (611,039) | (43,301) | (686,765) | (85,212) |
| Transfers into Level 3 | 0 | 0 | ||
| Transfers into Level 3 | 0 | 0 | ||
| Transfers out of Level 3 | 0 | 0 | 0 | 0 |
| Balance at end of period | 76,975,283 | 20,571,894 | 76,975,283 | 20,571,894 |
| Net change in unrealized appreciation (depreciation) on Level 3 investments still held | $ (611,039) | $ (43,301) | $ (686,765) | $ (85,212) |