ASSET RETIREMENT OBLIGATION (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Kingsville Dome Project, Texas
Estimated costs associated with current reclamation through March 2021	$ 1.1

Represents the estimated costs associated with current reclamation activities.

No definition available.

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Namespace Prefix:	wwr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration