Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Assets and Liabilities (Details)

v3.20.2
Derivative Instruments - Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Assets    
Gross Fair Value $ 320,147 $ 89,763
Gross Amounts Offset (179,456) (46,318)
Total derivative assets 140,691 43,445
Liabilities    
Gross Fair Value (184,619) (51,634)
Gross Amounts Offset 179,456 46,318
Net Recognized Fair Value (5,163) (5,316)
Commodity Derivative | Derivative Asset, Current    
Assets    
Gross Fair Value 165,409 28,512
Gross Amounts Offset (85,502) (18,172)
Total derivative assets 79,907 10,340
Commodity Derivative | Derivative Asset, Noncurrent    
Assets    
Gross Fair Value 154,738 61,241
Gross Amounts Offset (93,954) (28,136)
Total derivative assets 60,784 33,105
Commodity Derivative | Derivative Liability, Current    
Liabilities    
Gross Fair Value (85,502) (22,014)
Gross Amounts Offset 85,502 18,172
Net Recognized Fair Value 0 (3,842)
Commodity Derivative | Derivative Liability, Noncurrent    
Liabilities    
Gross Fair Value (93,954) (28,528)
Gross Amounts Offset 93,954 28,136
Net Recognized Fair Value 0 (392)
Interest Rate Derivative | Derivative Asset, Current    
Assets    
Gross Fair Value   10
Gross Amounts Offset   (10)
Total derivative assets   0
Interest Rate Derivative | Derivative Liability, Current    
Liabilities    
Gross Fair Value (2,122) (184)
Gross Amounts Offset 0 10
Net Recognized Fair Value (2,122) (174)
Interest Rate Derivative | Derivative Liability, Noncurrent    
Liabilities    
Gross Fair Value (3,041) (492)
Gross Amounts Offset 0 0
Net Recognized Fair Value $ (3,041) (492)
Series B Preferred Stock Bifurcated Derivative | Derivative Liability, Noncurrent    
Liabilities    
Gross Fair Value   (416)
Gross Amounts Offset   0
Net Recognized Fair Value   $ (416)