XML 116 R102.htm IDEA: XBRL DOCUMENT v3.21.1
Property, Plant and Equipment - Additional Information (Detail) - EUR (€)
€ in Thousands
 1 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items]        
(Gain)/loss on sale of property, plant and equipment   € 1,049   € (171)
Property, plant and equipment temporarily idle   5,247 € 10,468  
Property, plant and equipment, held for sale   3,324    
Property, plant and equipment   85,306 102,523 111,086
Property subject to mortgage   45,519 47,865  
Impairment losses on property,plant and equipment   0 0  
Gross carrying amount [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Cash consideration received from disposal of property   12,562 643  
Property, plant and equipment   308,615 350,765 346,620
Accumulated depreciation [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Cash consideration received from disposal of property   (8,625) (577)  
Property, plant and equipment   (223,309) € (248,242) € (235,534)
Non-current Assets Held For Sale [member] | Gross carrying amount [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment   27,182    
Non-current Assets Held For Sale [member] | Accumulated depreciation [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment   € (23,858)    
Land [Member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Cash consideration received from disposal of property € 2,800      
(Gain)/loss on sale of property, plant and equipment € 557      
Receivables from sale of properties, period 2 years      
Receivables from sale of properties € 2,500