Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments for Capital Leases

Minimum commitments as of December 31, 2017 are as follows:



(in thousands)	Surface Lease Obligations		Purchase Obligations⁽¹⁾		Future Minimum Capital Lease Payments		Omnibus Fee⁽²⁾
2018	$	90	$	160,559	$	—	$	6,850
2019	90		—		3,095		6,850
2020	90		—		—		—
2021	91		—		—		—
2022	91		—		—		—
2023 and Beyond	221		—		—		—
Total	$	673	$	160,559	$	3,095	$	13,700

⁽¹⁾

Purchase obligations represent contractual agreements to purchase goods or services that are enforceable, are legally binding and specify all significant terms, including fixed and minimum quantities to be purchased; fixed, minimum or variable price provisions; and the approximate timing of the transaction. The amount represents the obligation to purchase materials for use in our capital projects.


⁽²⁾	Annual general and administrative fee we pay to Noble for certain administrative and operational support services being provided to us. The annual general and administrative fee cannot be increased until after the third anniversary of the IPO and will be redetermined annually thereafter.