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Real Estate and Accumulated Depreciation - Schedule of Accumulated Depreciation (Details) - USD ($)
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]      
Balance-Beginning of Year $ 124,898,639 $ 107,004,184 $ 91,095,415
Depreciation 23,931,530 19,625,748 15,908,769
Sales 0 (1,731,293) 0
Balance-End of Year $ 148,830,169 $ 124,898,639 $ 107,004,184