Acquisitions (Details) $ in Thousands			6 Months Ended
	Jul. 21, 2021 USD ($) Bcfe a mi shares	Apr. 01, 2021 USD ($) MMcfe a	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	May 31, 2021 USD ($)
Business Acquisition [Line Items]
Cash paid for acquisitions			$ 209,764	$ 0
Alta Recourse Development, LLC
Business Acquisition [Line Items]
Escrow amount					$ 146,300
Alta Recourse Development, LLC | Subsequent Event
Business Acquisition [Line Items]
Units produced per day | Bcfe	1.0
Acres acquired from asset acquisition | a	300,000
Cash paid for acquisitions	$ 1,000,000
Equity interest issued or issuable, number of shares (in shares) | shares	98,789,388
Miles of midstream gathering systems acquired | mi	300
Miles acquired of freshwater system | mi	100
Reliance Marcellus, LLC
Business Acquisition [Line Items]
Asset acquisition, consideration transferred		$ 69,000
Units produced per day | MMcfe		40
Acres acquired from asset acquisition | a		4,100