| Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] |
| Crude Oil: Open Swap Contracts, Priced off WTI (NYMEX) |
|
| Period |
|
Notional Quantity (Bbls/day) (1) |
|
|
Notional Quantity (Bbls) (1) |
|
|
Strike Price |
|
| Jan 2021 - Dec 2021 |
|
|
1,000 |
|
|
|
365,000 |
|
|
$ |
41.00 |
|
| Crude Oil: Open Call Contracts - Bought, Priced off WTI (NYMEX) |
|
| Period |
|
Notional Quantity (Bbls/day) (1) |
|
|
Notional Quantity (Bbls) (1) |
|
|
Strike Price |
|
| July 2020 - Dec. 2020 |
|
|
10,000 |
|
|
|
1,840,000 |
|
|
$ |
67.50 |
|
| Crude Oil: Open Collar Contracts - Priced off WTI (NYMEX) |
|
| Period |
|
Notional Quantity (Bbls/day) (1) |
|
|
Notional Quantity (Bbls) (1) |
|
|
Put Option Weighted Strike Price (Bought) |
|
|
Call Option Weighted Strike Price (Sold) |
|
| July 2020 - Dec. 2020 |
|
|
10,000 |
|
|
|
1,840,000 |
|
|
$ |
45.00 |
|
|
$ |
63.51 |
|
| Natural Gas: Open Swap Contracts, Bought, Priced off Henry Hub (NYMEX) |
|
| Period |
|
Notional Quantity (MMBtu/day) (2) |
|
|
Notional Quantity (MMBtu) (2) |
|
|
Strike Price |
|
| Sept 2020 - Dec 2020 |
|
|
10,000 |
|
|
|
1,220,000 |
|
|
$ |
2.03 |
|
| Natural Gas: Open Call Contracts, Bought, Priced off Henry Hub (NYMEX) |
|
| Period |
|
Notional Quantity (MMBtu/day) (2) |
|
|
Notional Quantity (MMBtu) (2) |
|
|
Strike Price |
|
| August 2020 - Dec. 2022 |
|
|
40,000 |
|
|
|
35,320,000 |
|
|
$ |
3.00 |
|
| Natural Gas: Open Collar Contracts, Priced off Henry Hub (NYMEX) |
|
| Period |
|
Notional Quantity (MMBtu/day) (2) |
|
|
Notional Quantity (MMBtu) (2) |
|
|
Put Option Weighted Strike Price (Bought) |
|
|
Call Option Weighted Strike Price (Sold) |
|
| August 2020 - Dec. 2022 |
|
|
40,000 |
|
|
|
35,320,000 |
|
|
$ |
1.83 |
|
|
$ |
3.00 |
|
| August 2020 - Dec. 2020 |
|
|
10,000 |
|
|
|
1,530,000 |
|
|
$ |
1.75 |
|
|
$ |
2.58 |
|
| Jan 2021 - Dec 2021 |
|
|
30,000 |
|
|
|
10,950,000 |
|
|
$ |
2.18 |
|
|
$ |
3.00 |
|
| Jan 2022 - Feb 2022 |
|
|
30,000 |
|
|
|
1,770,000 |
|
|
$ |
2.20 |
|
|
$ |
4.50 |
|
|
| Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] |
| |
|
June 30, |
|
|
December 31, |
|
| |
|
2020 |
|
|
2019 |
|
| Prepaid expenses and other assets |
|
$ |
17,770 |
|
|
$ |
7,266 |
|
| Other assets (long-term) |
|
|
3,486 |
|
|
|
2,653 |
|
| Accrued liabilities |
|
|
1,779 |
|
|
|
1,785 |
|
| Other liabilities (long-term) |
|
|
2,137 |
|
|
|
— |
|
| |
|
Three Months Ended June 30, |
|
|
Six Months Ended June 30, |
|
| |
|
2020 |
|
|
2019 |
|
|
2020 |
|
|
2019 |
|
| Derivative loss (gain) |
|
$ |
15,414 |
|
|
$ |
(1,805 |
) |
|
$ |
(46,498 |
) |
|
$ |
47,081 |
|
|