BorrowingsAndDerivativeLiabilities

No definition available.

Name:	asnd_BorrowingsAndDerivativeLiabilities
Namespace Prefix:	asnd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Convertibleordinaryshares

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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-IssueDate 2025-01-01
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-URIDate 2025-03-27

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

+ Details

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
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-IssueDate 2025-01-01
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-URIDate 2025-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from sales of intangible assets, classified as investing activities. [Refer: Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 16
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-URIDate 2025-03-27

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Balance Type:
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- Details

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Subsequent Events - Additional Information (Details) € in Millions, $ in Millions		1 Months Ended
	May 06, 2026 USD ($) shares	Mar. 31, 2022 USD ($)	Mar. 31, 2026 EUR (€)
Convertible Senior Notes [Member]
Disclosure of non-adjusting events after reporting period [line items]
Principal amount		$ 575.0
Borrowings, maturity		April 1, 2028
Borrowings And Derivative Liabilities \| €			€ 733.1
Events After Reporting Period [member] \| Priority Review Voucher [Member]
Disclosure of non-adjusting events after reporting period [line items]
Proceeds from sales of intangible assets	$ 187.5
Events After Reporting Period [member] \| Convertible Senior Notes [Member]
Disclosure of non-adjusting events after reporting period [line items]
Borrowings interest rate	2.25%
Borrowings, maturity	2028.
Convertible ordinary shares \| shares	3,635,813