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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentrations (Details) - Independent Third Party and Affiliates [Member] - item | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Notes Receivable from Mobile Home Parks | Credit concentration risk |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Number of Independent third parties | 3 | 3
Notes Receivable from Mobile Home Parks | Credit concentration risk | Independent Third Party One |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration risk percentage | 14.00% | 12.30%
Notes Receivable from Mobile Home Parks | Credit concentration risk | Independent Third Party Two |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration risk percentage | 17.90% | 16.60%
Notes Receivable from Mobile Home Parks | Credit concentration risk | Independent Third party Three |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration risk percentage | 24.50% | 34.00%
Other note receivable |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Number of Independent third parties | 1 | 1
Other note receivable | Credit concentration risk |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration risk percentage | 64.40% | 77.60%

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