v3.7.0.1
Other Investments (Narrative) (Details)
Bcf in Millions
1 Months Ended 9 Months Ended
Oct. 31, 2015
USD ($)
debt_instrument
Bcf
Jun. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Dec. 31, 2015
Investment [Line Items]        
Investment in unconsolidated affiliate   $ 5,704,091 $ 3,496,404  
Capital contributions payable term   3 months    
Capital contributions payable   $ 402,589 $ 287,794  
Non-cash increase in investment in unconsolidated affiliate   114,795    
Midstream [Member]        
Investment [Line Items]        
Equity interest percentage 1.00%     1.00%
Pipeline capacity per day (in bcf) | Bcf 2      
Total project cost $ 3,500,000,000      
Total estimated investment $ 35,000,000      
Investment in unconsolidated affiliate   $ 5,700,000    
Number of unsecured Promissory Notes funding the investment | debt_instrument 2      
Debt term 5 years