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Convertible Debentures - Summary of Detailed Information about Convertible Debentures (Detail) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Convertible debentures [line items] |  |
Beginning | $ 80,021 | $ 72,011
Fair value on issuance | 143,702 | 5,296
Fair value adjustment | 50,177 | 2,714
Settlement with shares | (72,773) |
Disposals due to deconsolidation of IsoEnergy | (42,649) |
Ending | 158,478 | 80,021
2023 Debentures [member] |  |
Convertible debentures [line items] |  |
Fair value on issuance | 143,702 |
Fair value adjustment | 14,776 |
Ending | 158,478 |
2020 Debentures [member] |  |
Convertible debentures [line items] |  |
Beginning | 52,615 | 46,910
Fair value adjustment | 20,158 | 5,705
Settlement with shares | (72,773) |
Ending |  | 52,615
2020 IsoEnergy Debentures |  |
Convertible debentures [line items] |  |
Beginning | 22,269 | 25,101
Fair value adjustment | 13,938 | (2,832)
Disposals due to deconsolidation of IsoEnergy | (36,207) |
Ending |  | 22,269
2022 IsoEnergy Debentures |  |
Convertible debentures [line items] |  |
Beginning | 5,137 |
Fair value on issuance |  | 5,296
Fair value adjustment | 1,305 | (159)
Disposals due to deconsolidation of IsoEnergy | $ (6,442) |
Ending |  | $ 5,137

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- Definition Convertible debentures. + References No definition available. + Details
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- Definition Convertible debentures. + References No definition available. + Details
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- Definition Disposal of convertible debentures due to deconsolidation. + References No definition available. + Details
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- Definition Fair value adjustment. + References No definition available. + Details
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- Definition Fair Value At Issuance Convertible Debentures. + References No definition available. + Details
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Namespace Prefix: | nxe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
Name: | ifrs-full_BorrowingsByNameAxis=nxe_TwoZeroTwoZeroDebenturesMember
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- Details
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- Details
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Balance Type: |
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