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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, RISKS AND UNCERTAINTIES - Cost and Accumulated Depreciation for Real Estate Properties (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Sep. 30, 2021
Accounting Policies [Abstract]    
Real estate properties $ 45,557 $ 43,302
Accumulated depreciation (30,510) (28,846)
Real estate properties, net $ 15,047 $ 14,456