Annual report pursuant to Section 13 and 15(d)

Supplemental Oil and Gas Disclosures - Additional Information (Details)

v3.3.1.900
Supplemental Oil and Gas Disclosures - Additional Information (Details)
12 Months Ended
Dec. 31, 2015
Reserve Quantities [Line Items]  
Percentage non-operated non-producing reserves 27.00%
Percentage of proved undeveloped reserves 12.00%
Present value discounted percentage 10.00%
Minimum  
Reserve Quantities [Line Items]  
Expected time to evaluate properties, in years 1 year
Maximum  
Reserve Quantities [Line Items]  
Expected time to evaluate properties, in years 5 years