Quantity of oil and gas subject to delivery commitment.

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Commitments and Contingencies (Details) bbl in Millions, $ in Millions			1 Months Ended	3 Months Ended
	Nov. 01, 2019 USD ($)	Mar. 23, 2017 USD ($)	May 11, 2020 USD ($)	Mar. 31, 2020 USD ($) bbl
Mirada Litigation
Loss Contingencies [Line Items]
Monetary damages sought (in excess of)	$ 200.0	$ 100.0
Water Volume Commitment Agreements
Loss Contingencies [Line Items]
Minimum quantity to be delivered (barrels) \| bbl				9.9
Purchase and delivery commitment period				10 years
Purchase and delivery commitments				$ 6.1
Water Volume Commitment Agreements \| Subsequent Event
Loss Contingencies [Line Items]
Purchase and delivery commitment period			10 years
Delivery commitment			$ 13.2