XML 31 R16.htm IDEA: XBRL DOCUMENT
v3.20.2

Asset Retirement Obligation | 6 Months Ended
--- | ---
Jun. 30, 2020
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligation | Asset Retirement Obligation The Company had a post-closure reclamation and site restoration obligation of $6,293 as of June 30, 2020. The following is a reconciliation of the total reclamation liability for asset retirement obligations.
Balance at December 31, 2019 | $ | 6,142 |
Accretion expense | 151 |
Balance at June 30, 2020 | $ | 6,293 |

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

X
- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service 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 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
Name: | us-gaap_AssetRetirementObligationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration