Results related to associates (Details) - EUR (€)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Wings Therapeutics Inc
Disclosure of associates [line items]
Loss on share of profits of associates	€ 134,000	€ 0

The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Profit (loss)]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard
-URIDate 2018-03-16

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