Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Schedule of Components of Lease Expense

The components of our total lease expense for the year ended December 31, 2019, the majority of which is included in general and administrative expense, are as follows (in thousands):

		Year Ended December 31,
		2019
Operating lease cost	$	15,536
Variable lease expense (1)		6,916
Short-term lease expense (2)		2,965
Sublease income		(3,496	)
Total lease expense	$	21,921
Short-term lease costs (3)	$	29,126

(1)   Variable lease payments that are not dependent on an index or rate are not included in the lease liability or ROU assets.

(2)   Short-term lease expense represents expense related to leases with a contract term of one year or less.

(3)   These short-term lease costs are related to leases with a contract term of one year or less and the majority of which are related to drilling rigs and are capitalized as part of natural gas and oil properties on our consolidated balance sheets and may fluctuate based on the number of drilling rigs being utilized.

Supplemental Cash Flow Information Related to Operating Leases

Supplemental cash flow information related to our operating leases is included in the table below (in thousands):

		Year Ended December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities	$	18,700
ROU assets added in exchange for lease obligations (since adoption)	$	24,839

Supplemental Balance Sheet Information Related to Operating Leases

Supplemental balance sheet information related to our operating leases is included in the table below (in thousands):

		December 31, 2019
Operating lease ROU assets	$	62,053
Accrued liabilities – current	$	(27,856	)
Operating lease liabilities – long-term	$	(41,068	)

Schedule of Weighted Average Remaining Lease Term and Weighted Average Discount Rate for Operating Leases

Our weighted average remaining lease term and weighted average discount rate for our operating leases are as follows:

	December 31, 2019
Weighted average remaining lease term	4.6 years
Weighted average discount rate	6.0%

Schedule of Lease Liabilities with Enforceable Contract Terms are Greater Than One year Mature

Our lease liabilities with enforceable contract terms that are greater than one year mature as follows (in thousands):

		Operating Leases
2020	$	31,245
2021		14,252
2022		7,023
2023		6,500
2024		6,468
Thereafter		15,262
Total lease payments		80,750
Less effects of discounting		(11,826	)
Total lease liability	$	68,924

Schedule of Future Minimum Transportation Fees Due

We have entered into firm transportation and gathering contracts with various pipeline carriers for the future transportation and gathering of natural gas, NGLs and oil production from our properties in Pennsylvania and North Louisiana. Under these contracts, we are obligated to transport, process or gather minimum daily natural gas volumes, or pay for any deficiencies at a specified reservation fee rate. In some cases, our production committed to these pipelines is expected to exceed the minimum daily volumes provided in the contracts. See Note 11 for additional information regarding deficiencies in North Louisiana.  As of December 31, 2019, future minimum transportation, processing and gathering fees under our commitments are as follows (in thousands):

	Transportation, Gathering and Processing Contracts (a)
2020	$	945,392
2021		949,126
2022		905,920
2023		870,062
2024		853,457
Thereafter		5,154,987
	$	9,678,944

^(a) The amounts in this table represent the gross amounts that we are committed to pay; however, we will record in our financial statements our proportionate share of costs based on our working interest which can vary based on volumes produced.

Future Delivery Commitments

We have various volume delivery commitments that are related to our Marcellus Shale and North Louisiana areas. We expect to be able to fulfill our contractual obligations from our own production; however, we may purchase third-party volumes to satisfy our commitments or pay demand fees for commitment shortfalls, should they occur. As of December 31, 2019, our delivery commitments through 2031 were as follows:

Year Ending December 31,	Natural Gas (mmbtu per day)		Ethane and Propane (bbls per day)
2020		528,607	81,000
2021		491,313	65,932
2022		370,179	43,000
2023		167,970	35,000
2024-2028		100,000	35,000
2029		100,000	20,000
2030-2031		—	20,000