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v3.25.0.1

Consolidated Statements of Profit or (Loss) and Other Comprehensive Income or (Loss) (Parenthetical) - shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Condensed Income Statements, Captions [Line Items] |  |  |
Warrants outstanding | 6,204,122 | 6,523,784 | 6,864,011
Convertible Senior Notes [Member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Convertible notes | 575,000 |  |
Ordinary shares [member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Warrants outstanding | 3,456,785 |  |

X
- Definition Number of warrants outstanding. + References No definition available. + Details
Name: | asnd_NumberOfWarrantsOutstanding
Namespace Prefix: | asnd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Potential conversion of convertible senior notes into number of ordinary shares. + References No definition available. + Details
Name: | asnd_PotentialConversionOfConvertibleSeniorNotesIntoNumberOfOrdinaryShares
Namespace Prefix: | asnd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | asnd_AntidilutiveSecuritiesNotIncludedInDilutedEarningsPerShareAxis=asnd_ConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | asnd_AntidilutiveSecuritiesNotIncludedInDilutedEarningsPerShareAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |