XML 191 R177.htm IDEA: XBRL DOCUMENT v3.21.1
Financial Instruments - Fair Values and Risk Management - Summary of Trade Receivables Past Due (Detail) - EUR (€)
€ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net € 33,934 € 29,187
Gross carrying amount [member]    
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net 41,815 37,886
Accumulated impairment [member]    
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net (7,881) (8,699)
Current (not past due)    
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net 28,919 15,179
From 1 to 29 days past due    
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net 3,877 8,570
From 30 to 60 days past due    
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net 1,105 1,298
From 61 to 90 days past due    
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net 347 2,531
More than 90 days past due    
Disclosure of detailed information about financial instruments [line items]    
Total trade receivables, net € 7,567 € 10,308