Subsequent Events - Additional Information (Details) - Subsequent Event - Forecast - USD ($) $ in Millions		6 Months Ended
Nov. 26, 2021	Dec. 31, 2021
Penn Virginia
Subsequent Event [Line Items]
Termination fee	$ 6
Penn Virginia
Subsequent Event [Line Items]
Consideration transferred, entity shares issued per acquiree share		0.51
Termination fee	$ 3

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration