Annual report pursuant to Section 13 and 15(d)

Assets Held For Sale - Schedule Of Assets Held For Sale (Details)

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Assets Held For Sale - Schedule Of Assets Held For Sale (Details) - USD ($)
Sep. 30, 2017
Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale $ 20,983,000 $ 0
Discontinued Operations, Held-for-sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale 20,983,000 $ 0
Office Building | Discontinued Operations, Held-for-sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale 3,214,000  
Nursery - Gainsville | Discontinued Operations, Held-for-sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale 6,500,000  
Chancey Bay | Discontinued Operations, Held-for-sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale 4,179,000  
Gal Hog | Discontinued Operations, Held-for-sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale 70,000  
Breeding Herd | Discontinued Operations, Held-for-sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale 5,858,000  
Trailers | Discontinued Operations, Held-for-sale    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets held-for-sale $ 1,162,000