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FAIR VALUE MEASUREMENTS (Details) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
FAIR VALUE MEASUREMENTS    
Line of credit $ 0 $ 0
Liabilities    
Carrying Amount 405,484,379 406,205,910
Carrying Value    
Assets    
Cash equivalents 30,863,737 17,615,940
Treasury bills 58,032,985 83,586,405
Total Assets 88,896,722 101,202,345
Liabilities    
Carrying Amount 577,739,168 578,493,606
Fair Value    
Assets    
Cash equivalents 30,863,737 17,615,940
Treasury bills 58,036,276 83,638,670
Total Assets 88,900,013 101,254,610
Liabilities    
Estimated Fair Value 518,363,130 512,921,887
Partnership properties | Carrying Value    
Liabilities    
Carrying Amount 405,484,379 406,205,910
Partnership properties | Fair Value    
Liabilities    
Estimated Fair Value 355,043,778 351,384,919
Investment properties | Carrying Value    
Liabilities    
Carrying Amount 172,254,789 172,287,696
Investment properties | Fair Value    
Liabilities    
Estimated Fair Value $ 163,319,352 $ 161,536,968