XML 101 R73.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Investments in Associates - Additional Information (Detail) € in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2024 USD ($) | Nov. 30, 2018 | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 EUR (€) | Dec. 31, 2022 EUR (€)
Disclosure of associates [line items] |  |  |  |  |
Share of profit/(loss) of associates | € |  |  | € (20,060) | € (18,395) | € (17,697)
VISEN |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |
Ownership |  | 50.00% | 43.90% |  |
Eyconis |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |
Ownership | 41.60% |  | 41.60% |  |
Commitment from investors | $ | $ 150 |  |  |  |

X
- Definition Capital commitment from investors. + References No definition available. + Details
Name: | asnd_CapitalCommitmentFromInvestors
Namespace Prefix: | asnd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Disclosure of associate [Line Items] + References No definition available. + Details
Name: | asnd_DisclosureOfAssociateLineItems
Namespace Prefix: | asnd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Total for all associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInAssociate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=asnd_VISENPharmaceuticalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=asnd_EyconisIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |