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Secured Lines of Credit - Additional Information (Details) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2024 | Dec. 31, 2023
Bankers Trust Non-operating [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of credit facility maximum borrowing capacity | $ 50,000,000 |  |  |
Secured Line Of Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of credit facility maximum borrowing capacity |  |  | $ 100,000,000 | $ 90,000,000
Minimum liquidity |  | $ 6,300,000 |  |
Minimum consolidated tangible net worth |  | 200,000,000 |  |
Debt instrument, covenant compliance |  |  | The Partnership is subject to various affirmative and negative covenants under the Secured Credit Agreement that, among others, require the Partnership to maintain a minimum liquidity of not less than $6.3 million and maintain a minimum consolidated tangible net worth of $200.0 million. The Partnership may increase the maximum commitment from $50.0 million to $60.0 million in total, subject to the identification of lenders to provide the additional commitment, the payment of certain fees, and other conditions. The minimum liquidity covenant will increase from the current $6.3 million requirement to up to $7.5 million upon increases in the maximum commitment amount. The Partnership was in compliance with all covenants as of December 31, 2024. |
Secured Line Of Credit Facility [Member] | Minimum [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Increase in the maximum commitment |  | 50,000,000 |  |
Secured Line Of Credit Facility [Member] | Maximum [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Minimum liquidity |  |  | $ 7,500,000 |
Increase in the maximum commitment |  | 60,000,000 |  |
Secured Line Of Credit Facility [Member] | BankUnited, N.A. and Bankers Trust Company [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of credit facility maximum borrowing capacity |  | $ 50,000,000 | $ 50,000,000 |
Aggregate available commitment cannot exceed borrowing base calculation equal to multiplied by the aggregate value of pool of eligible encumbered assets percentage |  | 35.00% |  |
Percentage of partnership's capital contributions to equity investments |  | 100.00% |  |
Secured Line Of Credit Facility [Member] | Bankers Trust Non-operating [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Debt instrument, payment terms |  |  | Advances on the Acquisition LOC are due on the 270th day following the advance date but may be extended for up to three additional 90-day periods |
Required percentage of principal payment for first extension | 5.00% |  |  |
Required percentage of principal payment for second extension | 10.00% |  |  |
Required percentage of principal payment for third extension | 20.00% |  |  |

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