Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Business combinations and capital reorganization - Additional Information (Details)

v3.25.1
Business combinations and capital reorganization - Additional Information (Details)
€ / shares in Units, $ / shares in Units, € in Thousands, $ in Thousands
12 Months Ended
Mar. 16, 2022
EUR (€)
€ / shares
shares
Mar. 16, 2022
USD ($)
shares
Mar. 15, 2022
Dec. 31, 2024
EUR (€)
Dec. 31, 2023
EUR (€)
Dec. 31, 2022
EUR (€)
Jun. 07, 2022
EUR (€)
associate
Mar. 16, 2022
USD ($)
$ / shares
shares
Mar. 12, 2022
shares
Disclosure of detailed information about business combination [line items]                  
Percentage of voting interest sold 100.00%             100.00%  
Conversion of debt to equity € 101,931                
Equity contribution (Spartan shareholders) € 87,597         € 87,597      
Transaction costs         € 0 7,190      
Share issue related cost       € 0          
Share Capital increase on conversion (in shares) | shares 235,935,061 235,935,061              
Exchange with shares no cash contribution made (in shares) | shares 1,902,702             1,902,702 1,902,702
General and administrative expenses                  
Disclosure of detailed information about business combination [line items]                  
Share-based payment expenses - SPAC Transaction € 158,714     € 0 € 0 € 158,714      
Spartan                  
Disclosure of detailed information about business combination [line items]                  
Fair value of assets (liabilities) (71,117)                
MOMA                  
Disclosure of detailed information about business combination [line items]                  
Percentage of acquired             100.00%    
Number of purchase and sale agreements entered into | associate             2    
Consideration transferred             € 59,986    
Identifiable assets acquired (liabilities assumed)             49,262    
Goodwill recognised as of acquisition date             € 10,724    
Spartan                  
Disclosure of detailed information about business combination [line items]                  
Cash held in trust 9,987             $ 11,080  
Cash and cash equivalents 10,079                
Receivable balances 5,185                
Warrant liability 42,253                
Transaction costs liability € 44,128                
Allego Holding                  
Disclosure of detailed information about business combination [line items]                  
Number of shares exchanged for shares in new company (in share) | shares 124 124              
Mega-E Group | Subsidiaries Other Than GreenToWheel                  
Disclosure of detailed information about business combination [line items]                  
Interest in subsidiaries percentage     100.00%            
Mega-E Group | GreenToWheel                  
Disclosure of detailed information about business combination [line items]                  
Interest in subsidiaries percentage     80.00%            
Proportion of ownership interests held by non-controlling interests     20.00%            
Combined Company                  
Disclosure of detailed information about business combination [line items]                  
Percentage of acquired 100.00%             100.00%  
Business combination agreement gross proceeds received € 146,035 $ 161,080              
Proceeds from PIPE offering through issuance of common stock € 136,048 $ 150,000              
Common stock issued price per share (in EURO and USD per share) | (per share) € 9.07             $ 10.00  
Percentage of voting interest retained 82.00%             82.00%