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

Qualitative and Quantitative Information of Financial Risks - Additional Information (Details)

v3.22.1
Qualitative and Quantitative Information of Financial Risks - Additional Information (Details) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Nature And Extent Of Risks Arising From Financial Instruments [Line Items]      
Foreign currency exchange gain (loss) € (2,584) € (448) € (545)
Trade receivables 171,803 135,514  
Trade receivables not overdue 133,671    
Trade receivables overdue 38,132    
Allowance for doubtful accounts 6,544 € 7,696  
Overdue Within 90 days      
Disclosure Of Nature And Extent Of Risks Arising From Financial Instruments [Line Items]      
Trade receivables overdue 30,149    
Overdue Between 90 and 180 days      
Disclosure Of Nature And Extent Of Risks Arising From Financial Instruments [Line Items]      
Trade receivables overdue 1,217    
Overdue Between 181 and 365 days      
Disclosure Of Nature And Extent Of Risks Arising From Financial Instruments [Line Items]      
Trade receivables overdue 1,047    
Overdue Beyond 365 days      
Disclosure Of Nature And Extent Of Risks Arising From Financial Instruments [Line Items]      
Trade receivables overdue € 5,719