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ASSET RETIREMENT OBLIGATION (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Asset retirement obligations | $ 5,239 | $ 6,300 | $ 6,203
enCore |  |  |
Reclamation performance obligation bonds | 6,000 |  |
Coosa Graphite Deposit |  |  |
Asset retirement obligations | $ 0 |  |

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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition The carrying amount of reclamation performance obligation bonds. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |