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Derivative Financial Instruments | 12 Months Ended
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Dec. 31, 2018
Derivative Instruments Not Designated as Hedging Instruments [Abstract] |
Derivative Financial Instruments | Note 10 – Derivative Financial Instruments Summary of Oil, Gas, and NGL Derivative Contracts in Place The Company has entered into various commodity derivative contracts to mitigate a portion of its exposure to potentially adverse market changes in commodity prices and the associated impact on cash flows. As of December 31, 2018, all derivative counterparties were members of the Company’s Credit Agreement lender group and all contracts were entered into for other-than-trading purposes. The Company’s commodity derivative contracts consist of swap and collar arrangements for oil and gas production, and swap arrangements for NGL production. In a typical commodity swap agreement, if the agreed upon published third-party index price (“index price”) is lower than the swap fixed price, the Company receives the difference between the index price and the agreed upon swap fixed price. If the index price is higher than the swap fixed price, the Company pays the difference. For collar arrangements, the Company receives the difference between an agreed upon index and the floor price if the index price is below the floor price. The Company pays the difference between the agreed upon ceiling price and the index price if the index price is above the ceiling price. No amounts are paid or received if the index price is between the floor and ceiling prices. The Company has also entered into fixed price oil basis swaps in order to mitigate exposure to adverse pricing differentials between certain industry benchmark prices and the actual physical pricing points where the Company’s production volumes are sold. Currently, the Company has basis swap contracts with fixed price differentials between NYMEX WTI and WTI Midland for a portion of its Midland Basin production with sales contracts that settle at WTI Midland prices. The Company also has basis swaps with fixed price differentials between NYMEX WTI and Intercontinental Exchange Brent Crude (“ICE Brent”) for a portion of its Midland Basin oil production with sales contracts that settle at ICE Brent prices. As of December 31, 2018, the Company had commodity derivative contracts outstanding through the fourth quarter of 2022, as summarized in the tables below. Oil Swaps
Contract Period |  | NYMEX WTI Volumes |  | Weighted-Average Contract Price
|  | (MBbl) |  | (per Bbl)
First quarter 2019 |  | 826 |  |  | $ | 60.16 |
Second quarter 2019 |  | 575 |  |  | $ | 55.52 |
Third quarter 2019 |  | 1,217 |  |  | $ | 61.41 |
Fourth quarter 2019 |  | 1,115 |  |  | $ | 59.97 |
2020 |  | 2,491 |  |  | $ | 65.68 |
Total |  | 6,224 |  |  |
Oil Collars
Contract Period |  | NYMEX WTI Volumes |  | Weighted-Average Floor Price |  | Weighted-Average Ceiling Price
|  | (MBbl) |  | (per Bbl) |  | (per Bbl)
First quarter 2019 |  | 2,503 |  |  | $ | 51.66 |  |  | $ | 64.32 |
Second quarter 2019 |  | 2,802 |  |  | $ | 52.18 |  |  | $ | 64.61 |
Third quarter 2019 |  | 2,364 |  |  | $ | 49.07 |  |  | $ | 62.67 |
Fourth quarter 2019 |  | 2,386 |  |  | $ | 49.08 |  |  | $ | 62.65 |
2020 |  | 1,165 |  |  | $ | 55.00 |  |  | $ | 66.47 |
Total |  | 11,220 |  |  |  |  |
Oil Basis Swaps
Contract Period |  | WTI Midland-NYMEX WTI Volumes |  | Weighted-Average Contract Price (1) |  | NYMEX WTI-ICE Brent Volumes |  | Weighted-Average Contract Price (2)
|  | (MBbl) |  | (per Bbl) |  | (MBbl) |  | (per Bbl)
First quarter 2019 |  | 2,433 |  |  | $ | (4.44 | ) |  | — |  |  | $ | — |
Second quarter 2019 |  | 2,571 |  |  | $ | (4.49 | ) |  | — |  |  | $ | — |
Third quarter 2019 |  | 3,291 |  |  | $ | (2.86 | ) |  | — |  |  | $ | — |
Fourth quarter 2019 |  | 3,338 |  |  | $ | (2.87 | ) |  | — |  |  | $ | — |
2020 |  | 11,601 |  |  | $ | (1.03 | ) |  | 2,750 |  |  | $ | (8.03 | )
2021 |  | — |  |  | $ | — |  |  | 3,650 |  |  | $ | (7.86 | )
2022 |  | — |  |  | $ | — |  |  | 3,650 |  |  | $ | (7.78 | )
Total |  | 23,234 |  |  |  |  | 10,050 |  |  |
____________________________________________
(1) | Represents the price differential between WTI Midland (Midland, Texas) and NYMEX WTI (Cushing, Oklahoma).
(2) | Represents the price differential between NYMEX WTI (Cushing, Oklahoma) and ICE Brent (North Sea).
Gas Swaps
Contract Period |  | IF HSC Volumes |  | Weighted-Average Contract Price |  | WAHA Volumes |  | Weighted-Average Contract Price
|  | (BBtu) |  | (per MMBtu) |  | (BBtu) |  | (per MMBtu)
First quarter 2019 |  | 19,805 |  |  | $ | 2.99 |  |  | — |  |  | $ | — |
Second quarter 2019 |  | 10,439 |  |  | $ | 2.82 |  |  | 2,803 |  |  | $ | 0.69 |
Third quarter 2019 |  | 12,531 |  |  | $ | 2.82 |  |  | 2,984 |  |  | $ | 1.28 |
Fourth quarter 2019 |  | 14,433 |  |  | $ | 2.88 |  |  | 2,962 |  |  | $ | 1.75 |
2020 |  | 9,123 |  |  | $ | 2.98 |  |  | 2,060 |  |  | $ | 2.20 |
Total (1) |  | 66,331 |  |  |  |  | 10,809 |  |  |
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(1) | The Company has natural gas swaps in place that settle against Inside FERC Houston Ship Channel (“IF HSC”), Inside FERC West Texas (“IF WAHA”), and Platt’s Gas Daily West Texas (“GD WAHA”). As of December 31, 2018, total volumes for gas swaps are comprised of 86 percent IF HSC, four percent IF Waha, and 10 percent GD Waha.
Gas Collars
Contract Period |  | IF HSC Volumes |  | Weighted- Average Floor Price |  | Weighted- Average Ceiling Price
|  | (BBtu) |  | (per MMBtu) |  | (per MMBtu)
First quarter 2019 |  | — |  |  | $ | — |  |  | $ | — |
Second quarter 2019 |  | 4,358 |  |  | $ | 2.50 |  |  | $ | 2.83 |
Third quarter 2019 |  | 5,066 |  |  | $ | 2.50 |  |  | $ | 2.83 |
Fourth quarter 2019 |  | 4,818 |  |  | $ | 2.50 |  |  | $ | 2.83 |
Total |  | 14,242 |  |  |  |  |
NGL Swaps
|  | OPIS Ethane Purity Mont Belvieu |  | OPIS Propane Mont Belvieu Non-TET |  | OPIS Normal Butane Mont Belvieu Non-TET |  | OPIS Isobutane Mont Belvieu Non-TET |  | OPIS Natural Gasoline Mont Belvieu Non-TET
Contract Period |  | Volumes | Weighted-Average Contract Price |  | Volumes | Weighted-Average Contract Price |  | Volumes | Weighted-Average Contract Price |  | Volumes | Weighted-Average Contract Price |  | Volumes | Weighted-Average Contract Price
|  | (MBbl) | (per Bbl) |  | (MBbl) | (per Bbl) |  | (MBbl) | (per Bbl) |  | (MBbl) | (per Bbl) |  | (MBbl) | (per Bbl)
First quarter 2019 |  | 853 |  | $ | 12.25 |  |  | 540 |  | $ | 28.72 |  |  | 38 |  | $ | 35.64 |  |  | 29 |  | $ | 35.70 |  |  | 48 |  | $ | 50.93 |
Second quarter 2019 |  | 877 |  | $ | 12.29 |  |  | 561 |  | $ | 31.32 |  |  | 38 |  | $ | 35.64 |  |  | 29 |  | $ | 35.70 |  |  | 49 |  | $ | 50.93 |
Third quarter 2019 |  | 907 |  | $ | 12.34 |  |  | 637 |  | $ | 31.29 |  |  | 39 |  | $ | 35.64 |  |  | 30 |  | $ | 35.70 |  |  | 50 |  | $ | 50.93 |
Fourth quarter 2019 |  | 896 |  | $ | 12.36 |  |  | 651 |  | $ | 31.64 |  |  | 39 |  | $ | 35.64 |  |  | 29 |  | $ | 35.70 |  |  | 50 |  | $ | 50.93 |
2020 |  | 539 |  | $ | 11.13 |  |  | — |  | $ | — |  |  | — |  | $ | — |  |  | — |  | $ | — |  |  | — |  | $ | — |
Total |  | 4,072 |  |  |  | 2,389 |  |  |  | 154 |  |  |  | 117 |  |  |  | 197 |  |
Derivative Assets and Liabilities Fair Value The Company’s commodity derivatives are measured at fair value and are included in the accompanying balance sheets as derivative assets and liabilities. The Company does not designate its derivative commodity contracts as hedging instruments. The fair value of the derivative commodity contracts was a net asset of $158.3 million at December 31, 2018, and net liability of $139.4 million at December 31, 2017. The following tables detail the fair value of derivatives recorded in the accompanying balance sheets, by category:
| As of December 31, 2018
| Derivative Assets |  | Derivative Liabilities
| Balance Sheet Classification |  | Fair Value |  | Balance Sheet Classification |  | Fair Value
| (in thousands)
Commodity contracts | Current assets |  | $ | 175,130 |  |  | Current liabilities |  | $ | 62,853 |
Commodity contracts | Noncurrent assets |  | 58,499 |  |  | Noncurrent liabilities |  | 12,496 |
Total commodity contracts |  |  | $ | 233,629 |  |  |  |  | $ | 75,349 |
| As of December 31, 2017
| Derivative Assets |  | Derivative Liabilities
| Balance Sheet Classification |  | Fair Value |  | Balance Sheet Classification |  | Fair Value
| (in thousands)
Commodity contracts | Current assets |  | $ | 64,266 |  |  | Current liabilities |  | $ | 172,582 |
Commodity contracts | Noncurrent assets |  | 40,362 |  |  | Noncurrent liabilities |  | 71,402 |
Total commodity contracts |  |  | $ | 104,628 |  |  |  |  | $ | 243,984 |
Offsetting of Derivative Assets and Liabilities As of December 31, 2018, and 2017, all derivative instruments held by the Company were subject to master netting arrangements with various financial institutions. In general, the terms of the Company’s agreements provide for offsetting of amounts payable or receivable between it and the counterparty, at the election of both parties, for transactions that settle on the same date and in the same currency. The Company’s agreements also provide that in the event of an early termination, the counterparties have the right to offset amounts owed or owing under that and any other agreement with the same counterparty. The Company’s accounting policy is to not offset these positions in its accompanying balance sheets. The following table provides a reconciliation between the gross assets and liabilities reflected on the accompanying balance sheets and the potential effects of master netting arrangements on the fair value of the Company’s derivative contracts:
|  | Derivative Assets |  | Derivative Liabilities
|  | As of December 31, |  | As of December 31,
Offsetting of Derivative Assets and Liabilities |  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | (in thousands)
Gross amounts presented in the accompanying balance sheets |  | $ | 233,629 |  |  | $ | 104,628 |  |  | $ | (75,349 | ) |  | $ | (243,984 | )
Amounts not offset in the accompanying balance sheets |  | (56,041 | ) |  | (100,035 | ) |  | 56,041 |  |  | 100,035 |
Net amounts |  | $ | 177,588 |  |  | $ | 4,593 |  |  | $ | (19,308 | ) |  | $ | (143,949 | )
The Company recognizes all gains and losses from changes in commodity derivative fair values immediately in earnings rather than deferring any such amounts in accumulated other comprehensive income (loss). The Company had no derivatives designated as hedging instruments for the years ended December 31, 2018, 2017, and 2016. Please refer to Note 11 – Fair Value Measurements for more information regarding the Company’s derivative instruments, including its valuation techniques. The following table summarizes the components of the net derivative (gain) loss line item presented in the accompanying statements of operations:
| For the Years Ended December 31,
| 2018 |  | 2017 |  | 2016
| (in thousands)
Derivative settlement (gain) loss: |  |  |  |  |
Oil contracts | $ | 68,860 |  |  | $ | 31,176 |  |  | $ | (243,102 | )
Gas contracts | 13,029 |  |  | (87,857 | ) |  | (94,936 | )
NGL contracts | 53,914 |  |  | 35,447 |  |  | 8,560 |
Total derivative settlement (gain) loss | $ | 135,803 |  |  | $ | (21,234 | ) |  | $ | (329,478 | )
Net derivative (gain) loss: |  |  |  |  |
Oil contracts | $ | (192,002 | ) |  | $ | 71,502 |  |  | $ | 85,370 |
Gas contracts | 35,411 |  |  | (76,315 | ) |  | 81,060 |
NGL contracts | (5,241 | ) |  | 31,227 |  |  | 84,203 |
Total net derivative (gain) loss | $ | (161,832 | ) |  | $ | 26,414 |  |  | $ | 250,633 |
Credit Related Contingent Features As of December 31, 2018, and through the filing of this report, all of the Company’s derivative counterparties were members of the Company’s Credit Agreement lender group. Under the Credit Agreement, the Company is required to provide mortgage liens on assets having a value equal to at least 85 percent of the total PV-9 of the Company’s proved oil and gas properties evaluated in the most recent reserve report. Collateral securing indebtedness under the Credit Agreement also secures the Company’s derivative agreement obligations.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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