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FAIR VALUE MEASUREMENTS (Details) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
FAIR VALUE MEASUREMENTS    
Line of credit $ 0 $ 0
Liabilities    
Carrying Amount 406,205,910 408,660,292
Carrying Value    
Assets    
Cash equivalents 17,615,940 18,230,463
Treasury bills 83,586,405 84,700,751
Total Assets 101,202,345 102,931,214
Liabilities    
Carrying Amount 578,493,606 574,629,773
Fair Value    
Assets    
Cash equivalents 17,615,940 18,230,463
Treasury bills 83,638,670 84,799,638
Total Assets 101,254,610 103,030,101
Liabilities    
Estimated Fair Value 512,921,887 515,373,301
Partnership properties | Carrying Value    
Liabilities    
Carrying Amount 406,205,910 408,660,292
Partnership properties | Fair Value    
Liabilities    
Estimated Fair Value 351,384,919 359,092,343
Investment properties | Carrying Value    
Liabilities    
Carrying Amount 172,287,696 165,969,481
Investment properties | Fair Value    
Liabilities    
Estimated Fair Value $ 161,536,968 $ 156,280,958