XML 147 R122.htm IDEA: XBRL DOCUMENT
v3.24.0.1

CAPITAL MANAGEMENT AND FINANCIAL RISK - Interest Rate Risk (Details) $ in Thousands | Dec. 31, 2023 CAD ($) | Dec. 31, 2022 CAD ($) | Dec. 31, 2021 CAD ($)
--- | --- | --- | ---
CAPITAL MANAGEMENT AND FINANCIAL RISK |  |  |
Convertible debenture faire value, Base | $ 302,897 | $ 170,645 | $ 147,692
Convertible Debentures |  |  |
CAPITAL MANAGEMENT AND FINANCIAL RISK |  |  |
Convertible debenture faire value, Base | $ 15,565 | $ 0 |
Convertible Debentures | Interest rate risk |  |  |
CAPITAL MANAGEMENT AND FINANCIAL RISK |  |  |
Credit spread, Increase | 21.00% |  |
Credit spread, Decrease | 19.00% |  |
Convertible debenture faire value, Increase | $ 15,339 |  |
Convertible debenture faire value, Decrease | $ 15,801 |  |
Credit spread | Convertible Debentures |  |  |
CAPITAL MANAGEMENT AND FINANCIAL RISK |  |  |
Credit spread, Base | 20 |  |
Convertible debenture faire value, Base | $ 15,565 |  |

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_CapitalManagementAndFinancialRiskLineItem
Namespace Prefix: | dnn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of total investments. + References No definition available. + Details
Name: | dnn_InvestmentsTotal
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of total investments, due to reasonably possible decreased percentage of significant input variable of credit spread. + References No definition available. + Details
Name: | dnn_InvestmentsTotalDueToReasonablyPossibleDecreasedPercentageOfSignificantInputVariableCreditSpread
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of total investments, due to reasonably possible increased percentage of significant input variable of credit spread. + References No definition available. + Details
Name: | dnn_InvestmentsTotalDueToReasonablyPossibleIncreasedPercentageOfSignificantInputVariableCreditSpread
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The reasonably possible decreased percentage in credit spread used to determine the impact on fair value of investments. + References No definition available. + Details
Name: | dnn_SensitivityAnalysisPercentageOfReasonablyPossibleDecreasedRiskVariableCreditSpread
Namespace Prefix: | dnn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The reasonably possible increased percentage in credit spread used to determine the impact on fair value of investments. + References No definition available. + Details
Name: | dnn_SensitivityAnalysisPercentageOfReasonablyPossibleIncreasedRiskVariableCreditSpread
Namespace Prefix: | dnn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The value of significant unobservable input used in the measurement of the fair value of assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2023-01-01 -Paragraph 93 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_d&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_SignificantUnobservableInputAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=dnn_ConvertibleDebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=ifrs-full_CreditSpreadMeasurementInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |