XML 43 R33.htm IDEA: XBRL DOCUMENT v3.21.2

Lease Liabilities - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2021
Bottom of range [member]
Statement [line items]
Lease term	2 years
Lease extension and termination option term	2 years
Top of range [member]
Statement [line items]
Lease term	12 years
Lease extension and termination option term	10 years

X

- Definition

Lease Term.

+ References

No definition available.

+ Details

Name:	asnd_LeaseTerm
Namespace Prefix:	asnd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Leases option to extend and termination term.

+ References

No definition available.

+ Details

Name:	asnd_LeasesOptionToExtendAndTerminationTerm
Namespace Prefix:	asnd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Statement1 line items.

+ References

No definition available.

+ Details

Name:	asnd_Statement1LineItems
Namespace Prefix:	asnd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: