Fair value of financial instruments - Fair value measurement sensitivity to unobservable inputs (Details)	Dec. 31, 2021
Minimum of the year
Disclosure of Fair value of financial instruments [Line Items]
A significant increase would result in a lower fair value	6.86%
Top of range [member]
Disclosure of Fair value of financial instruments [Line Items]
A significant increase would result in a lower fair value	7.84%

The percentage of a reasonably possible increase in an unobservable input used in fair value measurement of assets.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2021-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_h_ii&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant