Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)

v3.20.1
Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current $ 233,442 $ 4,131
Derivative assets - noncurrent 10,963 2,750
Liabilities:    
Commodity derivative liabilities – current (103,092) (23,450)
Commodity derivative liabilities – noncurrent (10,689) (3,385)
Fair Value, Measurements, Recurring | Interest Rate Swap    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 40  
Derivative assets - noncurrent 0  
Liabilities:    
Commodity derivative liabilities – current (2,890)  
Commodity derivative liabilities – noncurrent (3,900)  
Fair Value, Measurements, Recurring | Interest Rate Swap | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 0  
Derivative assets - noncurrent 0  
Liabilities:    
Commodity derivative liabilities – current 0  
Commodity derivative liabilities – noncurrent 0  
Fair Value, Measurements, Recurring | Interest Rate Swap | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 40  
Derivative assets - noncurrent 0  
Liabilities:    
Commodity derivative liabilities – current (2,890)  
Commodity derivative liabilities – noncurrent (3,900)  
Fair Value, Measurements, Recurring | Interest Rate Swap | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 0  
Derivative assets - noncurrent 0  
Liabilities:    
Commodity derivative liabilities – current 0  
Commodity derivative liabilities – noncurrent 0  
Fair Value, Measurements, Recurring | Commodity contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 233,402 4,131
Derivative assets - noncurrent 10,963 2,750
Liabilities:    
Commodity derivative liabilities – current (100,202) 23,450
Commodity derivative liabilities – noncurrent (6,789) (3,385)
Fair Value, Measurements, Recurring | Commodity contracts | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 0 0
Derivative assets - noncurrent 0 0
Liabilities:    
Commodity derivative liabilities – current 0 0
Commodity derivative liabilities – noncurrent 0 0
Fair Value, Measurements, Recurring | Commodity contracts | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 233,402 4,131
Derivative assets - noncurrent 10,963 2,750
Liabilities:    
Commodity derivative liabilities – current (100,202) 23,450
Commodity derivative liabilities – noncurrent (6,789) (3,385)
Fair Value, Measurements, Recurring | Commodity contracts | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets - current 0 0
Derivative assets - noncurrent 0 0
Liabilities:    
Commodity derivative liabilities – current 0 0
Commodity derivative liabilities – noncurrent $ 0 $ 0
Crude Oil | Commodity contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Third-party quoted forward prices NYMEX WTI  
MEH [Domain] | Commodity contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Third-party quoted forward prices MEH  
Natural Gas [Member] | Commodity contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Third-party quoted forward prices NYMEX HH