Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Assets and Liabilities (Details)

v3.10.0.1
Derivative Instruments - Assets and Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Liabilities    
Commodity derivatives - current $ (53,263) $ (10,772)
Commodity derivatives - non-current (56,253) (7,383)
Series B Preferred Stock bifurcated derivative - non-current (572) (625)
Total derivative liabilities (110,088) (18,780)
Gross Fair Value    
Assets    
Commodity derivatives - current 14,090 1,079
Commodity derivatives - non-current 16,679 120
Total assets 30,769 1,199
Liabilities    
Commodity derivatives - current (67,353) (11,851)
Commodity derivatives - non-current (72,932) (7,503)
Series B Preferred Stock bifurcated derivative - non-current (572) (625)
Total derivative liabilities (140,857) (19,979)
Gross Amounts Offset    
Assets    
Commodity derivatives - current (14,090) (1,079)
Commodity derivatives - non-current (16,679) (120)
Total assets (30,769) (1,199)
Liabilities    
Commodity derivatives - current 14,090 1,079
Commodity derivatives - non-current 16,679 120
Series B Preferred Stock bifurcated derivative - non-current 0 0
Total derivative liabilities 30,769 1,199
Net Recognized Fair Value    
Assets    
Commodity derivatives - current 0 0
Commodity derivatives - non-current 0 0
Total assets 0 0
Liabilities    
Commodity derivatives - current (53,263) (10,772)
Commodity derivatives - non-current (56,253) (7,383)
Series B Preferred Stock bifurcated derivative - non-current (572) (625)
Total derivative liabilities $ (110,088) $ (18,780)