Taxonomy Viewer

Name	MineralPropertiesNetAbstract
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	xbrli:stringItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	True

Text	Lang	Role	Container role
Mineral Properties, Net [Abstract]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Mineral Properties, Gross `us-gaap:MineralPropertiesGross`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
Mineral Rights `us-gaap:MineralRights`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
Mineral Properties, Accumulated Depletion `us-gaap:MineralPropertiesAccumulatedDepletion`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
Mineral Properties, Accumulated Impairment `us-gaap:MineralPropertiesAccumulatedImpairment`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
Mineral Properties, Net `us-gaap:MineralPropertiesNet`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries

	Name	Relation Type	Role
	Mineral Industries Disclosures [Text Block] `us-gaap:MineralIndustriesDisclosuresTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries