Commitments and Contingencies - Schedule of Volume Commitments (Details) |
Jun. 30, 2018
MMBTU
|
|---|---|
| Total Volume Commitments (MMBtu) | |
| 2018 | 22,300,000 |
| 2019 | 116,800,000 |
| 2020 | 194,800,000 |
| 2021 | 158,100,000 |
| 2022 | 19,700,000 |
| Total Volume Commitments (MMBtu) | 511,700,000 |
| Volume (MMBtu/d) | |
| 2018 | 121,500 |
| 2019 | 320,000 |
| 2020 | 533,600 |
| 2021 | 433,200 |
| 2022 | 64,800 |