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Financial Income and Expenses - Additional Information (Detail)
€ / shares in Units, € in Thousands
12 Months Ended
Aug. 30, 2022
EUR (€)
shares
€ / shares
Jul. 29, 2022
EUR (€)
Jul. 27, 2022
EUR (€)
Dec. 31, 2023
EUR (€)
€ / shares
Dec. 31, 2022
EUR (€)
€ / shares
Dec. 31, 2021
EUR (€)
Jun. 30, 2023
€ / shares
Disclosure Of Detailed Information About Financial Income Expenses [Line Items]              
Change in fair value of derivative warrant liabilities       € 6,476 € 80,748 € (68,953)  
Par value per share | € / shares       € 3.05 € 5.32   € 2.58
Electromaps, S.L.              
Disclosure Of Detailed Information About Financial Income Expenses [Line Items]              
Price of transaction     € 1,799        
Change in fair value of derivative warrant liabilities     € 2,002        
Electromaps, S.L. | Major business combination [member]              
Disclosure Of Detailed Information About Financial Income Expenses [Line Items]              
Percentage Of Remaining Voting Equity Interests Acquired     49.00%        
Percentage Of Voting Equity Interests Acquired     100.00%        
Payments to acquire business combination € 150 € 150          
Number of instruments or interests issued or issuable | shares 163,861            
Par value per share | € / shares € 0.12