Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments And Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments

Future minimum rental commitments for the next five years are as follows (in thousands):

Years Ended December 31,
2017	$	3,781
2018		3,460
2019		1,830
2020		1,651
2021		1,206
Thereafter		668
	$	12,596

Schedule of Future Minimum Transportation and Gathering Obligations

Firm Transportation and Gas Gathering Commitments We have certain agreements for firm transportation and gas gathering obligations. Firm transportation agreements provide for transportation capacity rights for specified volumes per day on various pipeline systems. The contracts require us to pay transportation demand charges regardless of the amount of the pipeline capacity we use.  Gas gathering agreements require us to make certain minimum payments regardless of the volume of natural gas production. Our firm transportation and gas gathering agreements expire at various dates through 2024. Fixed and determinable portions of our minimum aggregate future payments under these firm transportation and gathering obligations for the next five years are as follows (in thousands):

Years Ended December 31,
2017	$	5,258
2018		4,476
2019		3,876
2020		1,830
2021		1,227
Thereafter		1,493
	$	18,160