Post-effective amendment to a registration statement that is not immediately effective upon filing

Basis of preparation and changes to the Group's accounting policies - Additional Information (Detail)

v3.22.2.2
Basis of preparation and changes to the Group's accounting policies - Additional Information (Detail)
€ in Thousands, $ in Thousands
6 Months Ended 12 Months Ended
Mar. 16, 2022
EUR (€)
Mar. 16, 2022
USD ($)
May 27, 2019
EUR (€)
Jun. 30, 2022
EUR (€)
Jun. 30, 2021
EUR (€)
Dec. 31, 2021
EUR (€)
Dec. 31, 2020
EUR (€)
Dec. 31, 2019
EUR (€)
Jul. 29, 2022
EUR (€)
Jul. 28, 2022
EUR (€)
Jul. 27, 2022
EUR (€)
Jun. 07, 2022
EUR (€)
Mar. 31, 2022
EUR (€)
Mar. 26, 2021
Dec. 31, 2018
EUR (€)
Disclosure Of Significant Accounting Policies [Line Items]                              
Equity       € 97,590 € (96,114) € (76,652) € (73,744) € (37,596)             € (584)
Cash and cash equivalents       29,775 6,010 24,652 8,274 21,277             € 1,211
Borrowings       114,556   213,128 159,610                
Rent concession amount       0 0                    
Notional amount       120,000   120,000                  
Proceeds from borrowings       0 24,202 € 44,315 38,339 86,020              
Non current pledged bank balance       13,000                      
Percentage of voting equity interests acquired           100.00%               100.00%  
Expense from share-based payment transactions       € (82,005) (121,932) € (291,837) € (7,100) € 0              
Management incentive plan [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Maximum term of options granted for share-based payment arrangement       18 months                      
Revision of Prior Period, Error Correction, Adjustment [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Expense from share-based payment transactions         € 17,113                    
MOMA company [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Percentage of voting equity interests acquired                           8.50%  
MOMA company [Member] | Bottom of range [member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Percentage of voting equity interests acquired                       50.00%      
Major business combination [member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Proceeds from the merger € 146,000                            
Original expected proceeds from merger 635 $ 702                          
Major business combination [member] | MOMA company [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Percentage of voting equity interests acquired                       100.00%      
Cash transferred                 € 30,000     € 60,000      
Percentage of total purchase price consideration payable                 50.00%            
Major business combination [member] | Mega E [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Percentage of voting equity interests acquired                     51.00%        
Cash transferred                 € 16,759            
Equity interests of acquirer                     € 4,823        
Shareholder Loan Receivable                     € 11,936        
Major business combination [member] | Mega E [Member] | Before DecemberThirty One Two Thousand And Twenty Two [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Percentage of remaining voting equity interests expected to be acquired                 49.00%            
Extending Credit Facility [Member] | Senior Debt Facility [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Notional amount                   € 120,000          
Borrowings, maturity       May 2026                      
Line of credit facility, remaining borrowing capacity                   € 50,000          
Combined Company [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Business combination agreement gross proceeds received € 146,000 $ 161,000                          
Percentage of voting equity interests acquired 100.00% 100.00%                          
Combined Company [Member] | Major business combination [member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Cash and cash equivalents       € 29,775                 € 75,105    
Business combination agreement gross proceeds received € 146,000 $ 161,000                          
Percentage of voting equity interests acquired 100.00% 100.00%                          
Senior Debt Bank Facility [Member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Notional amount     € 120,000                        
Proceeds from borrowings           € 44,315                  
Borrowings, maturity     May 2026                        
Shareholder loans [member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Borrowings, maturity           2035                  
Shareholder loans [member] | Bottom of range [member]                              
Disclosure Of Significant Accounting Policies [Line Items]                              
Borrowings, maturity       May 31, 2035   May 31, 2035