XML 114 R83.htm IDEA: XBRL DOCUMENT
v3.22.4

RECLAMATION OBLIGATIONS - Rollforward (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Reclamation Obligations |  |
Reclamation obligations, Beginning balance | $ 37,532 | $ 38,420
Accretion | 2,859 | 4,127
Expenditures incurred | (1,348) | (815)
Liability adjustments-balance sheet | (4,043) | (831)
Liability adjustments-Income statement | (4,126) | (585)
Reclamation obligations, Ending balance | 29,459 | 37,532
Accretion expense - Reclamation obligations |  |
Reclamation Obligations |  |
Accretion | $ 1,444 | $ 1,343

X
- Definition Adjustment For Reclamation Liability Revisions Balance Sheet + References No definition available. + Details
Name: | dnn_AdjustmentForReclamationLiabilityRevisionsBalanceSheet
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of adjustments for reclamation obligation expenditures + References No definition available. + Details
Name: | dnn_AdjustmentForReclamationObligationExpenditures
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of total reclamation obligations + References No definition available. + Details
Name: | dnn_ProvisionForReclamationObligations
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of reclamation obligation expenditures. + References No definition available. + Details
Name: | dnn_ReclamationObligationExpenditures
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | dnn_ReclamationObligationsLineItems
Namespace Prefix: | dnn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 82 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_82_b&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_FinanceCosts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis=dnn_FinanceIncomeExpenseAccretionExpenseReclamationObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |