v3.26.1
Loans Payable - Interest accrued and accumulated amortization of capitalized issuance costs (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 31, 2026
Debt Instrument [Line Items]    
Accrued interest $ 58,246 $ 33,196
Accumulated amortization of capitalized issuance costs 331,776 224,739
Franklin Square Property    
Debt Instrument [Line Items]    
Accrued interest 42,682  
Accumulated amortization of capitalized issuance costs 115,852  
Ashley Plaza Property    
Debt Instrument [Line Items]    
Accumulated amortization of capitalized issuance costs 110,399 114,757
Brookfield Center Property    
Debt Instrument [Line Items]    
Accumulated amortization of capitalized issuance costs 70,945 73,783
Parkway Center    
Debt Instrument [Line Items]    
Accrued interest 24,678  
Wells Fargo Mortgage Facility    
Debt Instrument [Line Items]    
Accumulated amortization of capitalized issuance costs 34,580 36,199
Tesla Pensacola    
Debt Instrument [Line Items]    
Accrued interest   $ 33,196
Payment of accrued interest $ (9,114)