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v3.25.1

Condensed Consolidated Statements of Profit or (Loss) and Other Comprehensive Income or (Loss) (Parenthetical) - shares | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Condensed Income Statements, Captions [Line Items] |  |
Warrants outstanding | 6,017,157 | 6,031,498
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

X
- 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: |