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

Warrant Liabilities - Schedule of Movements In Warrant Liabilities (Details)

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Warrant Liabilities - Schedule of Movements In Warrant Liabilities (Details)
€ in Thousands
 1 Months Ended 12 Months Ended
Oct. 18, 2023
EUR (€)
warrants
Oct. 03, 2023
EUR (€)
warrants
Oct. 18, 2023
shares
Dec. 31, 2023
EUR (€)
warrants
shares
Dec. 31, 2022
EUR (€)
Dec. 31, 2022
shares
Dec. 31, 2022
warrants
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]              
Liabilities at beginning of period       € 409,901      
Liabilities at end of period       € 561,640 € 409,901    
Warrants              
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]              
Warrants Outstanding (shares) | warrants       13,799,948     0
Liabilities at beginning of period       € 1,296 0    
Warrants assumed on transaction date (shares) | warrants             23,159,948
Warrants assumed on Transaction date         42,253    
Warrants exercised (in shares) | shares       (13,799,948)   (9,360,000)  
Warrants exercised € (271) € (7,298)   € (7,569) (13,854)    
Change in fair value of warrant liabilities       € 6,273 (27,103)    
Warrants Outstanding (shares) | warrants       0     13,799,948
Liabilities at end of period       € 0 1,296    
Public Warrants              
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]              
Warrants Outstanding (shares) | warrants       13,799,948     0
Liabilities at beginning of period       € 1,296 0    
Warrants assumed on transaction date (shares) 770,110 13,029,838 13,799,948     13,799,948 13,799,948
Warrants assumed on Transaction date         21,260    
Warrants exercised (in shares) | shares       (13,799,948)   0  
Warrants exercised       € (7,569) 0    
Change in fair value of warrant liabilities       € 6,273 (19,964)    
Warrants Outstanding (shares) | warrants       0     13,799,948
Liabilities at end of period       € 0 1,296    
Private Placement Warrants              
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]              
Warrants Outstanding (shares) | warrants       0     0
Liabilities at beginning of period       € 0 0    
Warrants assumed on transaction date (shares)           9,360,000 9,360,000
Warrants assumed on Transaction date         20,993    
Warrants exercised (in shares) | shares       0   (9,360,000)  
Warrants exercised       € 0 (13,854)    
Change in fair value of warrant liabilities       € 0 (7,139)    
Warrants Outstanding (shares) | warrants       0     0
Liabilities at end of period       € 0 € 0