v3.10.0.1

Derivative Instruments and Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2018
Derivative Instruments And Hedging Activities Disclosure [Abstract] |
Outstanding Commodity Derivatives Volumes and Prices | The following table provides our outstanding commodity derivative positions at September 30, 2018.
Commodity and Period |  | Contract Type |  | Volume Transacted |  | Contract Price
Crude Oil |  |  |  |  |  |
October 2018 – December 2018 |  | Swap |  | 300 Bbls/day |  | $50.00/Bbl
October 2018 – December 2019 |  | Collar |  | 500 Bbls/day |  | $65.00/Bbl - $71.00/Bbl
CMA Roll |  |  |  |  |  |
October 2018 – December 2018 (1) |  | Swap |  | 2,000 Bbls/day |  | $0.66/Bbl
Natural Gas |  |  |  |  |  |
October 2018 – December 2018 |  | Swap |  | 200,000 MMBtu/month |  | $3.085/MMBtu
October 2018 – December 2018 |  | Swap |  | 250,000 MMBtu/month |  | $3.084/MMBtu
NGLs (C2 - Ethane) |  |  |  |  |  |
October 2018 – December 2018 |  | Swap |  | 1,000 Bbls/day |  | $11.424/Bbl
October 2018 – December 2018 |  | Swap |  | 400 Bbls/day |  | $14.70/Bbl
NGLs (C3 - Propane) |  |  |  |  |  |
October 2018 – December 2018 |  | Swap |  | 600 Bbls/day |  | $32.991/Bbl
October 2018 – December 2018 |  | Swap |  | 400 Bbls/day |  | $40.74/Bbl
October 2018 – June 2019 |  | Swap |  | 75 Bbls/day |  | $42.00/Bbl
NGLs (IC4 - Isobutane) |  |  |  |  |  |
October 2018 – December 2018 |  | Swap |  | 50 Bbls/day |  | $38.262/Bbl
NGLs (NC4 - Butane) |  |  |  |  |  |
October 2018 – December 2018 |  | Swap |  | 200 Bbls/day |  | $38.22/Bbl
NGLs (C5 - Pentane) |  |  |  |  |  |
October 2018 – December 2018 |  | Swap |  | 200 Bbls/day |  | $56.364/Bbl
January 2019 – December 2019 |  | Swap |  | 100 Bbls/day |  | $65.10/Bbl
January 2019 – December 2019 |  | Swap |  | 100 Bbls/day |  | $65.31/Bbl
After September 30, 2018, we entered into the following commodity derivative positions:
Commodity and Period |  | Contract Type |  | Volume Transacted |  | Contract Price
NGLs (C2 - Ethane) |  |  |  |  |  |
January 2019 – March 2019 |  | Swap |  | 900 Bbls/day |  | $14.123/Bbl
NGLs (C3 - Propane) |  |  |  |  |  |
January 2019 – March 2019 |  | Swap |  | 600 Bbls/day |  | $35.165/Bbl
NGLs (NC4 - Butane) |  |  |  |  |  |
January 2019 – March 2019 |  | Swap |  | 200 Bbls/day |  | $38.63/Bbl
Summary of Fair Value of Open Commodity Derivatives | The following table summarizes the fair value of our open commodity derivatives as of September 30, 2018, and December 31, 2017 (in thousands).
|  | Balance Sheet Location |  | Fair Value |
|  |  |  | September 30, |  |  | December 31, |
|  |  |  | 2018 |  |  | 2017 |
Derivatives not designated as hedging instruments |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  | Derivative assets |  | $ | 31 |  |  | $ | 1,398 |
Commodity derivatives |  | Derivative liabilities |  |  | (4,197 | ) |  |  | (2,181 | )
Total derivatives not designated as hedging instruments |  |  |  |  | (4,166 | ) |  |  | (783 | )
Derivatives designated as cash flow hedges |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  | Derivative assets |  | $ | 59 |  |  |  | — |
Summary of Commodity Derivatives (Loss) Gain | The following table summarizes the commodity derivatives (loss) gain (in thousands).
|  |  |  | Three Months Ended |  |  | Nine Months Ended |
| Income Statement Location |  | September 30, |  |  | September 30, |
|  |  |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Derivatives not designated as hedging instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net cash payment on derivative settlements |  | $ | (3,172 | ) |  | $ | (523 | ) |  | $ | (6,685 | ) |  | $ | (1,481 | )
Non-cash fair value (loss) gain on derivatives |  |  | (84 | ) |  |  | (3,037 | ) |  |  | (3,383 | ) |  |  | 2,596 |
| Commodity derivative (loss) gain | $ | (3,256 | ) |  | $ | (3,560 | ) |  | $ | (10,068 | ) |  | $ | 1,115 |
Derivatives designated as cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Oil, NGLs and gas sales | $ | (85 | ) |  | $ | — |  |  | $ | (23 | ) |  | $ | — |
Summary of Changes in Accumulated Other Comprehensive Income ("AOCI") | The following table summarizes the changes in accumulated other comprehensive income (“AOCI”) for the three months ended September 30, 2018 (in thousands).
|  | Pre-Tax |  |  | Tax Effect |  |  | Net-of Tax |
Balance at June 30, 2018 |  | $ | (197 | ) |  | $ | 41 |  |  | $ | (156 | )
Other comprehensive income before reclassifications |  |  | 171 |  |  |  | (36 | ) |  |  | 135 |
Amounts reclassified from AOCI |  |  | 85 |  |  |  | (18 | ) |  |  | 67 |
Net other comprehensive income |  |  | 256 |  |  |  | (54 | ) |  |  | 202 |
Balance at September 30, 2018 |  | $ | 59 |  |  | $ | (13 | ) |  | $ | 46 |
The following table summarizes the changes in AOCI for the nine months ended September 30, 2018 (in thousands).
|  | Pre-Tax |  |  | Tax Effect |  |  | Net-of Tax |
Balance at December 31, 2017 |  | $ | — |  |  | $ | — |  |  | $ | — |
Other comprehensive income before reclassifications |  |  | 36 |  |  |  | (8 | ) |  |  | 28 |
Amounts reclassified from AOCI |  |  | 23 |  |  |  | (5 | ) |  |  | 18 |
Net other comprehensive income |  |  | 59 |  |  |  | (13 | ) |  |  | 46 |
Balance at September 30, 2018 |  | $ | 59 |  |  | $ | (13 | ) |  | $ | 46 |
Summary of Financial Instruments Not Recorded at Fair Value | The following table sets forth the fair values of financial instruments that are not recorded at fair value on our financial statements (in thousands).
|  | September 30, 2018 |
|  | Carrying Amount |  |  | Fair Value |
Senior Notes |  | $ | 84,411 |  |  | $ | 82,855 |

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