XML 177 R163.htm IDEA: XBRL DOCUMENT v3.21.1
Bank Overdraft and Short-term Borrowings - Additional Information (Detail) - EUR (€)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of risk management strategy related to hedge accounting [line items]    
Unused credit facility € 23,916,000 € 24,251,000
Commitment fee 0  
Trade receivables export [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Unused credit facility 15,145,000  
Trade receivables secured borrowings [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Unused credit facility 6,778,000  
Bank overdrafts [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Unused credit facility € 1,993,000