XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.21.2

PROPERTY, PLANT AND EQUIPMENT - Net Book Value of Property, Plant and Equipment (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | $ 10,480 | $ 8,985
Mineral rights and properties |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 8,972 | 8,972
Other property, plant and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 1,408 | 13
Construction in progress |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 100 |
Alabama |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 10,450 | 8,972
Alabama | Mineral rights and properties |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 8,972 | 8,972
Alabama | Other property, plant and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 1,378 |
Alabama | Construction in progress |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 100 |
Corporate |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | 30 | 13
Corporate | Other property, plant and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total Property, Plant and Equipment | $ 30 | $ 13

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business (including discontinued operations). Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References No definition available. + Details
Name: | wwr_PropertyPlantAndEquipmentGrossIncludingDiscontinuedOperations
Namespace Prefix: | wwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=wwr_MineralRightsAndPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=wwr_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ConstructionInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_AL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_CorporateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |