Annual report pursuant to Section 13 and 15(d)

Significant Commitments by Category (Detail)

v3.10.0.1
Significant Commitments by Category (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Minimum Rental Commitments  
2017 $ 532
2018 657
2019 637
2020 638
2021 634
Thereafter 159
Total 3,257
Gathering and Intermediate Transportation [Member]  
Commitments  
Contractual Commitments Future Minimum Payments Due Current 11,702
2018 12,962
2019 12,962
2020 12,962
2021 12,962
Thereafter 50,750
Total 114,300
Other Commitments  
Commitments  
Contractual Commitments Future Minimum Payments Due Current 254
2018 121
2019 44
2020 0
2021 0
Thereafter 0
Total 419
Contract Drilling [Member]  
Commitments  
Contractual Commitments Future Minimum Payments Due Current 20,692
2018 0
2019 0
2020 0
2021 0
Thereafter 0
Total $ 20,692