XML 59 R47.htm IDEA: XBRL DOCUMENT v3.20.2
Derivative Instruments - Schedule of Outstanding Commodity Derivative Instruments (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
$ / bbl
Jun. 30, 2020
USD ($)
$ / bbl
bbl
Jun. 30, 2019
USD ($)
Derivative [Line Items]      
Proceeds from liquidation of derivative instruments | $   $ 144,069 $ 3,629
Fair value assets (liabilities) | $ $ 85,425 $ 85,425  
Crude Oil | Three-way costless collar contracts      
Derivative [Line Items]      
Proceeds from liquidation of derivative instruments | $ $ 25,300    
NYMEX WTI | Crude Oil | 2020 Fixed price swaps      
Derivative [Line Items]      
Total notional amount of oil (in Bbls) | bbl   2,464,000  
Average swap price (in dollars per barrel) 56.66 56.66  
Fair value assets (liabilities) | $ $ 43,135 $ 43,135  
NYMEX WTI | Crude Oil | 2020 Two-way collar      
Derivative [Line Items]      
Total notional amount of oil (in Bbls) | bbl   1,494,000  
Average floor price (in dollars per barrel) 51.28 51.28  
Average ceiling price (in dollars per barrel) 59.50 59.50  
Fair value assets (liabilities) | $ $ 18,194 $ 18,194  
NYMEX WTI | Crude Oil | 2020 Three-way collar      
Derivative [Line Items]      
Total notional amount of oil (in Bbls) | bbl   1,278,000  
Average sub-floor price (in dollars per barrel) 40.70 40.70  
Average floor price (in dollars per barrel) 53.98 53.98  
Average ceiling price (in dollars per barrel) 63.22 63.22  
Fair value assets (liabilities) | $ $ 14,393 $ 14,393  
NYMEX WTI | Crude Oil | 2021 Fixed price swaps      
Derivative [Line Items]      
Total notional amount of oil (in Bbls) | bbl   310,000  
Average swap price (in dollars per barrel) 56.01 56.01  
Fair value assets (liabilities) | $ $ 5,004 $ 5,004  
NYMEX WTI | Crude Oil | 2021 Two-way collar      
Derivative [Line Items]      
Total notional amount of oil (in Bbls) | bbl   248,000  
Average floor price (in dollars per barrel) 51.38 51.38  
Average ceiling price (in dollars per barrel) 59.33 59.33  
Fair value assets (liabilities) | $ $ 3,030 $ 3,030  
NYMEX WTI | Crude Oil | 2021 Three-way collar      
Derivative [Line Items]      
Total notional amount of oil (in Bbls) | bbl   186,000  
Average sub-floor price (in dollars per barrel) 40.00 40.00  
Average floor price (in dollars per barrel) 53.29 53.29  
Average ceiling price (in dollars per barrel) 62.71 62.71  
Fair value assets (liabilities) | $ $ 1,669 $ 1,669