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Other Current Liabilities - Additional Information (Detail)
 12 Months Ended
Dec. 14, 2022
EUR (€)
shares
Oct. 20, 2022
USD ($)
shares
Oct. 16, 2022
USD ($)
$ / shares
shares
Dec. 31, 2022
EUR (€)
€ / shares
shares
Dec. 31, 2021
EUR (€)
Dec. 31, 2020
EUR (€)
€ / shares
Dec. 31, 2022
$ / shares
Dec. 14, 2022
$ / shares
Other Liabilities Current [Line Items]                
Issue of equity         € 117,215,000 € 47,713,000    
Par value per share | $ / shares             $ 0.000001  
Proceeds from issuance of shares       € 0 92,180,000 € 24,279,000    
Warrant liabilities       9,002,000        
Warrants exercised term 5 years              
Value of warrants registered for resale       20,700,000        
Value of warrants outstanding       € 11,280,000        
Meritz [Member]                
Other Liabilities Current [Line Items]                
Cash consideration received | $   $ 25,000,000            
Partial amount of consideration withheld | $   25,000,000            
Dividend payables | $   $ 2,000,000            
Dividends payable date to be paid   3 years            
Return on investment rate   11.50%            
Return on investment basis     1.115          
Proceeds from issuance of shares | $   $ 50,000,000            
FFG Private Placement Subscription Shares [Member] | Meritz [Member]                
Other Liabilities Current [Line Items]                
Number of shares issued | shares     18,569,282          
Issue of equity | $     $ 49,999,999          
Par value per share | $ / shares     $ 1          
Ordinary shares [member]                
Other Liabilities Current [Line Items]                
Par value per share | (per share)       € 1   € 1   $ 11.5
Warrants, conversion basis | shares 1              
Ordinary shares [member] | Meritz [Member]                
Other Liabilities Current [Line Items]                
Par value per share | $ / shares             0.000001  
Convertible preferred stock, shares issued upon conversion | shares   15,000,000            
LGHL Public Warrants [Member]                
Other Liabilities Current [Line Items]                
Conversion of warrants | shares 20,699,969              
Warrants [Member]                
Other Liabilities Current [Line Items]                
Warrant liabilities € 5,261,000     € 9,002,000 € 0      
Revaluation surplus       € 1.13        
LGH Private Placement Warrants [Member]                
Other Liabilities Current [Line Items]                
Conversion of warrants | shares 11,280,000              
Warrant liabilities € 2,609,000              
Eighteen USD Dollar Per Share [Member]                
Other Liabilities Current [Line Items]                
Par value per share | $ / shares               18
Exercise price of warrants | $ / shares               0.01
Number of trading days for determining the share price 20 days              
Number of consecutive trading days for determining the share price 30 days              
Ten USD Dollar Per Share [Member]                
Other Liabilities Current [Line Items]                
Par value per share | $ / shares               10
Exercise price of warrants | $ / shares               $ 0.1
Number of trading days for determining the share price 20 days              
Number of consecutive trading days for determining the share price 30 days              
Treasury shares [member]                
Other Liabilities Current [Line Items]                
Number of shares converted | shares       4,999,000        
Issue of equity       € (25,023,000)        
FFG Collateral Share [Member]                
Other Liabilities Current [Line Items]                
Par value per share | $ / shares             $ 0.0001