Financial instruments at fair value - Profit or loss impact on the fair values of Level 3 (Details) € in Thousands	3 Months Ended
Mar. 31, 2022 EUR (€)
Financial instruments at fair value
Expected volatility increase	€ 3,031
Expected volatility decrease	€ 2,641
Percentage of reasonably possible increase	5.00%

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

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