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Mortgage Revenue Bonds - Schedule of MRB Sales (Details)
9 Months Ended
Sep. 30, 2024
USD ($)
Unit
Sep. 30, 2023
USD ($)
Debt Securities, Available-for-Sale [Line Items]    
Principal Outstanding at Date of Sale $ 23,073,000  
Mortgage Revenue Bonds [Member]    
Debt Securities, Available-for-Sale [Line Items]    
Principal Outstanding at Date of Sale $ 21,615,000 $ 8,493,040
Mortgage Revenue Bonds [Member] | Bookstone [Member] | Waukegan, IL [Member]    
Debt Securities, Available-for-Sale [Line Items]    
Month Sold May 2024  
Units | Unit 168  
Maturity Date May 01, 2040  
Interest Rate 5.45%  
Principal Outstanding at Date of Sale $ 8,221,234