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Reclamation and Remediation (Tables) | 12 Months Ended
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Dec. 31, 2022
Reclamation and Remediation |
Changes in Reclamation and Remediation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2022 | ​ | 2021
​ | ​ | (in thousands)
Reclamation liabilities – balance at beginning of period | ​ | $ | 1,833 | ​ | $ | 1,890
Foreign currency exchange loss (gain) | ​ | ​ | 116 | ​ | ​ | (57)
Reclamation liabilities – balance at end of period | ​ | ​ | 1,949 | ​ | ​ | 1,833
​ | ​ | ​ | ​ | ​ | ​ | ​
Asset retirement obligation – balance at beginning of period | ​ | ​ | 1,279 | ​ | ​ | 1,208
Changes in estimate | ​ | ​ | 6,384 | ​ | ​ | -
Accretion | ​ | ​ | 668 | ​ | ​ | 109
Foreign currency exchange loss (gain) | ​ | ​ | 86 | ​ | ​ | (38)
Asset retirement obligation – balance at end of period | ​ | ​ | 8,417 | ​ | ​ | 1,279
Total period end balance | ​ | $ | 10,366 | ​ | $ | 3,112
​

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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