Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS AND PRICE RISK MANAGEMENT - Classification of Outstanding Financial Instruments (Details)

v3.20.2
DERIVATIVE INSTRUMENTS AND PRICE RISK MANAGEMENT - Classification of Outstanding Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Offsetting Assets [Line Items]    
Current Derivative Assets $ 156,436 $ 5,628
Noncurrent Derivative Assets 34,566 8,554
Total derivative assets 202,418 36,233
Current liabilities (1,198) (11,298)
Noncurrent liabilities (1,428) (8,079)
Total derivative liabilities (14,043) (41,428)
Gross Amounts of Recognized Assets, Offsetting of Derivative Assets 202,418 36,233
Gross Amounts Offset in the Balance Sheet, Offsetting of Derivative Assets (11,416) (22,051)
Net Amounts of Assets Presented in the Balance Sheet, Offsetting of Derivative Assets 191,002 14,182
Gross Amounts of Recognized Assets, Offsetting of Derivative Liabilities (14,042) (41,428)
Gross Amounts Offset in the Balance Sheet, Offsetting of Derivative Liabilities 11,416 22,051
Net Amounts of Assets Presented in the Balance Sheet, Offsetting of Derivative Liabilities (2,626) (19,377)
Current Assets    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets, Offsetting of Derivative Assets 156,436 20,164
Gross Amounts Offset in the Balance Sheet, Offsetting of Derivative Assets 0 (14,536)
Net Amounts of Assets Presented in the Balance Sheet, Offsetting of Derivative Assets 156,436 5,628
Noncurrent Assets    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets, Offsetting of Derivative Assets 45,982 16,069
Gross Amounts Offset in the Balance Sheet, Offsetting of Derivative Assets (11,416) (7,515)
Net Amounts of Assets Presented in the Balance Sheet, Offsetting of Derivative Assets 34,566 8,554
Current Liabilities    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets, Offsetting of Derivative Liabilities (1,198) (25,834)
Gross Amounts Offset in the Balance Sheet, Offsetting of Derivative Liabilities 0 14,536
Net Amounts of Assets Presented in the Balance Sheet, Offsetting of Derivative Liabilities (1,198) (11,298)
Noncurrent Liabilities    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets, Offsetting of Derivative Liabilities (12,844) (15,594)
Gross Amounts Offset in the Balance Sheet, Offsetting of Derivative Liabilities 11,416 7,515
Net Amounts of Assets Presented in the Balance Sheet, Offsetting of Derivative Liabilities (1,428) (8,079)
Commodity Price Swap Contracts | Current Assets    
Offsetting Assets [Line Items]    
Current Derivative Assets 156,436 20,164
Commodity Price Swap Contracts | Noncurrent Assets    
Offsetting Assets [Line Items]    
Noncurrent Derivative Assets 45,982 16,069
Commodity Price Swap Contracts | Current Liabilities    
Offsetting Assets [Line Items]    
Current liabilities (616) (25,834)
Commodity Price Swap Contracts | Noncurrent Liabilities    
Offsetting Assets [Line Items]    
Noncurrent liabilities (582) (5,273)
Interest Rate Swap Contracts | Current Assets    
Offsetting Assets [Line Items]    
Current Derivative Assets 0 0
Interest Rate Swap Contracts | Noncurrent Assets    
Offsetting Assets [Line Items]    
Noncurrent Derivative Assets 0 0
Interest Rate Swap Contracts | Current Liabilities    
Offsetting Assets [Line Items]    
Current liabilities (583) 0
Interest Rate Swap Contracts | Noncurrent Liabilities    
Offsetting Assets [Line Items]    
Noncurrent liabilities (846) 0
Commodity Price Swaptions Contracts | Noncurrent Liabilities    
Offsetting Assets [Line Items]    
Noncurrent liabilities $ (11,416) $ (10,321)