Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Equity - Additional Information (Details)

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Equity - Additional Information (Details) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Classes Of Share Capital [Line Items]      
Paid in share capital € 21,698 € 21,698  
Number of paid in capital shares 295,540,036    
Treasury shares 30,073,093 30,840,555  
Conversion of shares into ordinary shares 767,462    
Cost of treasury shares € (27,233) € (27,740)  
Reserve for actuarial gains/losses (287) (74)  
Cash flow hedge reserve 2,241 5,371  
Cost of hedging reserve (83) (179)  
Currency translation reserve (10,976) (15,611)  
Legal reserve 4,340 4,340  
Other reserves 65,237 40,284  
Retained earnings 542,652 435,881  
Net profit attributable to equity holders of the parent 145,631 142,849 € 134,321
Non-controlling interests 115 (220)  
Prior year net profit allocation to other reserves 21,228    
Accrual of fair value of personnel cost related to share-based incentive plans to other reserves 3,644    
Other effects to other reserves € 81    
Ordinary Shares      
Disclosure Of Classes Of Share Capital [Line Items]      
Number of paid in capital shares 34,870,467    
Class A Multiple Voting Shares      
Disclosure Of Classes Of Share Capital [Line Items]      
Number of paid in capital shares 260,669,569    
Reserve [Member]      
Disclosure Of Classes Of Share Capital [Line Items]      
Share premium € 389,312 € 389,312