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Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance $ 132,074    
Depreciation for the year 19,604 $ 21,873 $ 22,186
Ending Balance 133,236 132,074  
Non-cash capital expenditures related to property, plant and equipment 2,006 345 1,999
Land [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 41,828    
Ending Balance 41,828 41,828  
Building and improvements [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 50,756    
Ending Balance 46,583 50,756  
Machinery [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 17,380    
Ending Balance 14,046 17,380  
Research and development equipment [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 6,204    
Ending Balance 8,286 6,204  
Office furniture and equipment      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 2,581    
Ending Balance 2,268 2,581  
Others [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 12,473    
Ending Balance 19,778 12,473  
Prepayments for purchase of equipment and construction in progress      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 852    
Ending Balance 447 852  
Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 286,431 289,627  
Acquisitions through business combinations   1,906  
Additions 20,815 13,915  
Transfers 0 (694)  
Disposals (3,371) (18,800)  
Effect of exchange rate changes 20 477  
Ending Balance 303,895 286,431 289,627
Gross carrying amount [member] | Land [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 41,828 41,828  
Acquisitions through business combinations   0  
Additions 0 0  
Transfers 0 0  
Disposals 0 0  
Effect of exchange rate changes 0 0  
Ending Balance 41,828 41,828 41,828
Gross carrying amount [member] | Building and improvements [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 75,403 75,357  
Acquisitions through business combinations   0  
Additions 60 46  
Transfers 0 0  
Disposals (79) 0  
Effect of exchange rate changes (1) 0  
Ending Balance 75,383 75,403 75,357
Gross carrying amount [member] | Machinery [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 74,956 74,326  
Acquisitions through business combinations   1,476  
Additions 1,705 1,031  
Transfers 783 386  
Disposals (5) (2,350)  
Effect of exchange rate changes 2 87  
Ending Balance 77,441 74,956 74,326
Gross carrying amount [member] | Research and development equipment [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 45,487 44,638  
Acquisitions through business combinations   189  
Additions 4,565 1,189  
Transfers 69 178  
Disposals (895) (730)  
Effect of exchange rate changes 1 23  
Ending Balance 49,227 45,487 44,638
Gross carrying amount [member] | Office furniture and equipment      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 14,657 13,666  
Acquisitions through business combinations   19  
Additions 731 857  
Transfers 0 0  
Disposals (2,286) 0  
Effect of exchange rate changes 25 115  
Ending Balance 13,127 14,657 13,666
Gross carrying amount [member] | Others [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 33,248 39,248  
Acquisitions through business combinations   222  
Additions 13,307 9,952  
Transfers 0 (706)  
Disposals (106) (15,720)  
Effect of exchange rate changes (7) 252  
Ending Balance 46,442 33,248 39,248
Gross carrying amount [member] | Prepayments for purchase of equipment and construction in progress      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 852 564  
Acquisitions through business combinations   0  
Additions 447 840  
Transfers (852) (552)  
Disposals 0 0  
Effect of exchange rate changes 0 0  
Ending Balance 447 852 564
Accumulated depreciation and amortisation [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance (154,357) (150,689)  
Depreciation for the year 19,604 21,873  
Transfers   101  
Disposals 3,354 18,679  
Effect of exchange rate changes 52 373  
Ending Balance (170,659) (154,357) (150,689)
Accumulated depreciation and amortisation [member] | Land [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 0 0  
Depreciation for the year 0 0  
Transfers   0  
Disposals 0 0  
Effect of exchange rate changes 0 0  
Ending Balance 0 0 0
Accumulated depreciation and amortisation [member] | Building and improvements [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance (24,647) (20,124)  
Depreciation for the year 4,232 4,523  
Transfers   0  
Disposals 79 0  
Effect of exchange rate changes 0 0  
Ending Balance (28,800) (24,647) (20,124)
Accumulated depreciation and amortisation [member] | Machinery [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance (57,576) (54,215)  
Depreciation for the year 5,824 5,644  
Transfers   (1)  
Disposals 5 2,350  
Effect of exchange rate changes 0 68  
Ending Balance (63,395) (57,576) (54,215)
Accumulated depreciation and amortisation [member] | Research and development equipment [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance (39,283) (36,519)  
Depreciation for the year 2,551 3,469  
Transfers   0  
Disposals 895 725  
Effect of exchange rate changes 2 20  
Ending Balance (40,941) (39,283) (36,519)
Accumulated depreciation and amortisation [member] | Office furniture and equipment      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance (12,076) (10,986)  
Depreciation for the year 1,048 994  
Transfers   0  
Disposals 2,286 0  
Effect of exchange rate changes 21 96  
Ending Balance (10,859) (12,076) (10,986)
Accumulated depreciation and amortisation [member] | Others [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance (20,775) (28,845)  
Depreciation for the year 5,949 7,243  
Transfers   102  
Disposals 89 15,604  
Effect of exchange rate changes 29 189  
Ending Balance (26,664) (20,775) (28,845)
Accumulated depreciation and amortisation [member] | Prepayments for purchase of equipment and construction in progress      
Disclosure of detailed information about property, plant and equipment [line items]      
Opening Balance 0 0  
Depreciation for the year 0 0  
Transfers   0  
Disposals 0 0  
Effect of exchange rate changes 0 0  
Ending Balance $ 0 $ 0 $ 0