Annual report pursuant to Section 13 and 15(d)

Commitments - Schedule of Firm Transportation Contracts (Details)

v3.8.0.1
Commitments - Schedule of Firm Transportation Contracts (Details) - Transportation commitment
$ in Thousands
Dec. 31, 2017
USD ($)
Other Commitments [Line Items]  
2018 $ 248,047
2019 251,644
2020 247,581
2021 246,620
2022 246,620
Thereafter 2,511,853
Total $ 3,752,365