Additional Notes - Summary of Changes In Fair Value Measurement Financial Assets (Details) - EUR (€) € in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Fair Value Level [Line Items]
Beginning balance	€ 1,009,561
Ending balance	717,200	€ 1,009,561
Financial Asset from Escrow Account
Fair Value Level [Line Items]
Beginning balance	0	0
Additions	1,854	0
Gains/(losses) recognized in other comprehensive income	0	0
Gains/(losses) recognized in profit or loss statement	47	0
Reclassification to investment in associates	0	0
Reclassification hierarchy levels	0	0
Disposals	0	0
Ending balance	1,901	0
Anti-Dilution Right HI-Bio
Fair Value Level [Line Items]
Beginning balance	9,832	0
Additions	0	10,377
Gains/(losses) recognized in other comprehensive income	0	0
Gains/(losses) recognized in profit or loss statement	(4,251)	(386)
Reclassification to investment in associates	(5,581)	(160)
Reclassification hierarchy levels	0	0
Disposals	0	0
Ending balance	0	9,832
Shares in Affiliated Companies
Fair Value Level [Line Items]
Beginning balance	0	0
Additions	0	0
Gains/(losses) recognized in other comprehensive income	6,272	0
Gains/(losses) recognized in profit or loss statement	0	0
Reclassification to investment in associates	0	0
Reclassification hierarchy levels	0	0
Disposals	(6,272)	0
Ending balance	€ 0	€ 0

The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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