XML 143 R90.htm IDEA: XBRL DOCUMENT
v3.25.1

Share-Based Compensation - PSU Rollforward (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Share Based Compensation [Abstract] |  |
PSUs outstanding, beginning | 481,500 | 1,470,000
Grants | 0 | 0
Exercises | (221,500) | (988,500)
Forfeitures | 0 | 0
PSUs outstanding, ending | 260,000 | 481,500
PSUs vested, ending | 260,000 | 481,500
PSUs outstanding, Weighted Average Fair Value, beginning | $ 0.83 | $ 0.77
PSUs grants, Weighted Average Fair Value | 0 | 0
PSUs exercises, Weighted Average Fair Value | 0.65 | 0.74
PSUs forfeitures, Weighted Average Fair Value | 0 | 0
PSUs outstanding, Weighted Average Fair Value, ending | 0.98 | 0.83
PSUs vested, Weighted Average Fair Value, ending | $ 0.98 | $ 0.83

X
- Definition The number of PSUs outstanding in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_NumberOfOutstandingPSUs
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of PSUs exercised in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_NumberOfPSUsExercisedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of PSUs forfeited in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_NumberOfPSUsForfeitedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of PSUs outstanding in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_NumberOfPSUsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of PSUs vested in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_NumberOfPSUsVestedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition The weighted average exercise price of PSUs exercised in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_WeightedAverageFairValueOfPSUsExercisedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of PSUs forfeited in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_WeightedAverageFairValueOfPSUsForfeitedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of PSUs granted in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_WeightedAverageFairValueOfPSUsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of PSUs outstanding in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_WeightedAverageFairValueOfPSUsOutstandingInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted average exercise price of PSUs vested in a share-based payment arrangement. + References No definition available. + Details
Name: | dnn_WeightedAverageFairValueOfPSUsVestedInSharebasedPaymentArrangement
Namespace Prefix: | dnn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant