Commitments and Contingencies - Additional Information (Details)		12 Months Ended
	Feb. 10, 2021 USD ($)	Dec. 31, 2021 USD ($) BblD McfD	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Commitments And Contingencies Disclosure [Line Items]
Minimum remaining terms of leases on undeveloped acreage, in years		3 years
Maximum remaining terms of leases on undeveloped acreage, in years		5 years
2021
Commitments And Contingencies Disclosure [Line Items]
Delivery commitments contingent upon pipeline construction or modification per day		3,000
2027
Commitments And Contingencies Disclosure [Line Items]
Delivery commitments contingent upon pipeline construction or modification per day		18,000
2029
Commitments And Contingencies Disclosure [Line Items]
Delivery commitments contingent upon pipeline construction or modification per day		25,000
2034
Commitments And Contingencies Disclosure [Line Items]
Delivery commitments contingent upon pipeline construction or modification per day		10,000
2037
Commitments And Contingencies Disclosure [Line Items]
Delivery commitments contingent upon pipeline construction or modification per day		3,000
Divestiture Contract Obligation [Member]
Commitments And Contingencies Disclosure [Line Items]
Accrued obligations | $		$ 416,400,000
Natural Gas
Commitments And Contingencies Disclosure [Line Items]
Transportation commitments contingent upon pipeline construction or modification | McfD		25,000
Transportation and gathering commitments contingent upon pipeline construction or modification, term of contract		6 years
Pennsylvania Department of Environmental Protection (“PDEP”)
Commitments And Contingencies Disclosure [Line Items]
Penalty amount paid | $	$ 294,000
Impairment of Proved Property and Other Assets
Commitments And Contingencies Disclosure [Line Items]
Impairment of ROU Asset | $			$ 2,000,000.0	$ 2,100,000