Properties and Equipment Acreage exchange (Details) $ in Millions	3 Months Ended
Sep. 30, 2019 USD ($)
Oil and Gas, Acreage [Line Items]
Cash Paid for Acreage Acquisition	$ 2.7
Loss Recognized on Acreage Exchange	$ 45.6

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration