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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2014
Sep. 30, 2016
Jul. 01, 2016
Dec. 31, 2015
Other Commitments [Line Items]              
Capital Lease Obligations         $ 55,189   $ 71,324
CO2 Offtake Percentage   100.00% 70.00%        
Litigation settlement, amount $ 27,500            
Working Interest Conveyed In Litigation Settlement           25.00%  
Payments to Acquire Oil and Gas Property       $ 6,500      
Additional Overriding Royalty Interest Acquired in Oil and Gas Properties           0.2226%  
Scenario, Forecast [Member]              
Other Commitments [Line Items]              
Capital Lease Obligations         $ 110,000