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Long-term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($)
Sep. 30, 2016
Sep. 30, 2015
Mar. 31, 2013
Aug. 31, 2011
Debt Instrument [Line Items]        
Long-term Debt $ 106,578,000 $ 94,920,000 $ 1,500,000 $ 750,000
Stock in Subsidiary [Member]        
Debt Instrument [Line Items]        
Long-term Debt 19,048,000 21,089,000    
Unsecured Debt [Member]        
Debt Instrument [Line Items]        
Long-term Debt 7,891,000 12,485,000    
Real Estate [Member]        
Debt Instrument [Line Items]        
Long-term Debt 76,204,000 57,641,000    
Other Assets [Member]        
Debt Instrument [Line Items]        
Long-term Debt $ 3,435,000 $ 3,705,000