Summary of Significant Accounting Policies - Narrative (Details)	9 Months Ended
	Sep. 30, 2025 USD ($) segment	Dec. 31, 2024 USD ($) loan
Debt Instrument
Number loans not secured by real estate \| loan		1
Unsecured notes payable, net \| $	$ 122,098,986	$ 120,424,100
Useful life (in years)	40 years
Number of operating segments \| segment	1
Number of reportable segments \| segment	1
Unsecured notes payable
Debt Instrument
Unsecured notes payable, net \| $	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Terra Property Trust, Inc. 10-Q