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Revenues from Contracts with Customers (Tables)
9 Months Ended
Sep. 30, 2021
Revenue from Contract with Customer [Abstract]  
Contract with Customer, Asset and Liability
The table below shows the changes in our mid-stream contract asset and contract liability balances during periods presented associated with demand fees and the impact to gas gathering and processing revenues:

Classification on the unaudited condensed consolidated balance sheetsSeptember 30,
2021
December 31,
2020
Change
(In thousands)
Assets
Current contract assetsPrepaid expenses and other$1,700 $6,084 $(4,384)
Non-current contract assetsOther assets— 173 (173)
Total contract assets$1,700 $6,257 $(4,557)
Liabilities
Current contract liabilitiesCurrent portion of other long-term liabilities$1,919 $2,583 $(664)
Non-current contract liabilitiesOther long-term liabilities158 1,589 (1,431)
Total contract liabilities2,077 4,172 (2,095)
Contract assets (liabilities), net$(377)$2,085 $(2,462)
Revenue, Remaining Performance Obligation
Included below is the adjustment to demand fees from adopting ASC 606, Revenue from contracts with customers over the remaining term of the contracts as of September 30, 2021.

ContractRemaining Term of Contract202120222023 and beyondTotal Remaining Impact to Revenue
(In thousands)
Demand fee contracts
1 - 13 months
$(997)$1,374 $— $377