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Fair Value Measurements - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) | Dec. 31, 2024 USD ($) $ / shares | Dec. 31, 2023 USD ($) | Dec. 29, 2023 $ / shares
--- | --- | --- | ---
Investments: |  |  |
Principal Balance | $ 45,902,453 | $ 87,436,546 |
Carrying value | 30,387,896 | 78,343,464 |
Loans | 30,642,182 | 78,527,735 |
Liabilities: |  |  |
Principal | 56,375,000 | 53,375,000 |
Carrying value |  |  |
Investments: |  |  |
Carrying value | 30,387,896 | 78,343,464 |
Liabilities: |  |  |
Financial liabilities fair value disclosure | 54,695,646 |  |
Carrying Value |  | 50,162,147 |
Fair value |  |  |
Investments: |  |  |
Loans | 30,642,182 | 78,527,735 |
Liabilities: |  |  |
Financial liabilities fair value disclosure | 55,263,703 |  |
Fair Value |  | 51,287,400 |
Level 3 | Term loans payable |  |  |
Liabilities: |  |  |
Principal | 0 | 15,000,000 |
Unamortized purchase discount |  | $ 100,000 |
Level 3 | Term loans payable | Discount Rate | Discounted Cash Flow |  |  |
Liabilities: |  |  |
Debt instrument, measurement input |  | 0.1248 |
Level 3 | Term loans payable | Carrying value |  |  |
Liabilities: |  |  |
Term loan payable | 0 | $ 14,948,604 |
Level 3 | Term loans payable | Fair value |  |  |
Liabilities: |  |  |
Term loan payable | 0 | 15,000,000 |
Level 1 | Unsecured note payable |  |  |
Liabilities: |  |  |
Principal | 38,375,000 | 38,375,000 |
Unamortized purchase discount | 1,853,316 | 3,161,457 |
Level 1 | Unsecured note payable | Carrying value |  |  |
Liabilities: |  |  |
Unsecured notes payable | 36,521,684 | 35,213,543 |
Level 1 | Unsecured note payable | Fair value |  |  |
Liabilities: |  |  |
Unsecured notes payable | 37,008,850 | 36,287,400 |
Loans held for investment | Level 3 |  |  |
Investments: |  |  |
Principal Balance | 18,567,296 | 60,317,296 |
Loans held for investment | Level 3 | Carrying value |  |  |
Investments: |  |  |
Carrying value | 18,575,895 | 60,458,534 |
Loans held for investment | Level 3 | Fair value |  |  |
Investments: |  |  |
Loans | 18,830,181 | 60,642,806 |
Loans held for investment acquired through participation | Level 3 |  |  |
Investments: |  |  |
Principal Balance | 27,335,157 | 27,119,250 |
Loans held for investment acquired through participation | Level 3 | Carrying value |  |  |
Investments: |  |  |
Carrying value | 11,812,001 | 17,884,930 |
Loans held for investment acquired through participation | Level 3 | Fair value |  |  |
Investments: |  |  |
Loans | $ 11,812,001 | 17,884,929 |
Unsecured note payable | Level 1 |  |  |
Liabilities: |  |  |
Share price (in dollars per share) | $ / shares | $ 24.11 |  | $ 23.64
Obligation under participation agreement | Level 3 |  |  |
Liabilities: |  |  |
Principal | $ 18,000,000 | 0 |
Obligation under participation agreement | Level 3 | Carrying value |  |  |
Liabilities: |  |  |
Obligation under participation agreement | 18,173,962 | 0 |
Obligation under participation agreement | Level 3 | Fair value |  |  |
Liabilities: |  |  |
Obligation under participation agreement | $ 18,254,853 | $ 0 |

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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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