XML 90 R62.htm IDEA: XBRL DOCUMENT v3.25.0.1

Share-based Payment - Schedule of Warrant Activity (Parenthetical) (Detail) - € / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
U.S. dollars [member]
Disclosure Of Warrant Activity [line items]
Weighted average share price	€ 135.86	€ 98.1	€ 113.6

X

- Definition

Disclosure Of Warrant Activity [line items]

+ References

No definition available.

+ Details

Name:	asnd_DisclosureOfWarrantActivityLineItems
Namespace Prefix:	asnd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average share price. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_WeightedAverageSharePrice2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_CurrencyAxis=asnd_USDollarsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: