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

Share capital, share premium and transaction costs on new equity instruments - Schedule of Movement of Share Capital and Share Premium (Details)

v3.23.1
Share capital, share premium and transaction costs on new equity instruments - Schedule of Movement of Share Capital and Share Premium (Details) - EUR (€)
 12 Months Ended
Apr. 15, 2022
Mar. 22, 2022
Mar. 16, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share Capital, Share Premium and Transaction Costs On New Equity Instruments [Line Items]              
Number of shares issued (in shares)       190,270,211 190,270,211    
Par value per share (in EUR per share) € 0.12 € 0.12 € 0.12        
Beginning balance       € (76,652,000) € (73,744,000) € (37,596,000)  
Share issue related cost       0 € (1,059,000) € 0  
Share Capital increase on conversion (in shares)     235,935,061        
Shares issued in the period (in shares)   2,500,000 12,500,000        
Private Placement Warrants exercise (in shares) 1,334,949            
Equity contribution (Private placement warrants exercise)       € 13,854,000      
Number of shares issued (in shares)       267,177,592 190,270,211 190,270,211  
Ending balance       € 27,758,000 € (76,652,000) € (73,744,000)  
Allego Holding              
Share Capital, Share Premium and Transaction Costs On New Equity Instruments [Line Items]              
Number of shares issued (in shares)       100 100 100  
Par value per share (in EUR per share)     € 1.00   € 1.00 € 1.00 € 1.00
Shareholder loan to equity conversion (in shares)     2        
Number of shares issued in the fee agreement (in shares)     22        
Number of shares exchanged for shares in new company (in share)     (124)        
Shares issued in the period (in shares)     22        
Number of shares issued (in shares)     124   100 100  
Share capital              
Share Capital, Share Premium and Transaction Costs On New Equity Instruments [Line Items]              
Beginning balance       € 1,000 € 1,000 € 1,000  
Shareholder loan equity conversion     € 28,311,000        
Equity contribution (PIPE financing)   € 300,000 1,500,000        
Equity contribution (Private placement warrants exercise) € 160,000     160,000      
Ending balance       32,061,000 1,000 1,000  
Share capital | Allego Holding              
Share Capital, Share Premium and Transaction Costs On New Equity Instruments [Line Items]              
Beginning balance       1,000 1,000 1,000  
Equity contribution (PIPE financing)     22        
Ending balance     1,000   1,000 1,000  
Share premium              
Share Capital, Share Premium and Transaction Costs On New Equity Instruments [Line Items]              
Beginning balance       61,888,000 36,947,000 36,947,000  
Share issue related cost         (1,059,000)    
Shareholder loan equity conversion     (28,311,000)        
Equity contribution (PIPE financing)   € 22,375,000 108,515,000        
Equity contribution (Private placement warrants exercise) € 13,694,000     13,694,000      
Ending balance       365,900,000 61,888,000 36,947,000  
Share premium | Allego Holding              
Share Capital, Share Premium and Transaction Costs On New Equity Instruments [Line Items]              
Beginning balance       € 61,888,000 36,947,000 36,947,000  
Equity contribution         26,000,000    
Share issue related cost         (1,059,000)    
Shareholder loan equity conversion     101,931,000        
Ending balance     € 163,819,000   € 61,888,000 € 36,947,000