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Intangible Assets - Summary of Reconciliation of Changes in Intangible Assets and Goodwill (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance $ 108,116 $ 101,168  
Ending balance 95,568 108,116 $ 101,168
Gross carrying amount [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 181,515 156,136 125,954
Additions 16,419 25,465 30,182
Disposals (5,546) (86) 0
Reclassifications 0 0 0
Ending balance 192,388 181,515 156,136
Accumulated amortization and impairment [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance (73,399) (54,968) (44,839)
Amortization for the year (25,493) (18,437) (10,129)
Disposals 3,092 6 0
Impairment loss (1,020)    
Ending balance (96,820) (73,399) (54,968)
Goodwill [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 20,380 20,380  
Ending balance 20,380 20,380 20,380
Goodwill [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 20,380 20,380 20,380
Additions 0 0 0
Disposals 0 0 0
Reclassifications 0 0 0
Ending balance 20,380 20,380 20,380
Goodwill [member] | Accumulated amortization and impairment [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 0 0 0
Amortization for the year 0 0 0
Disposals 0 0 0
Impairment loss 0    
Ending balance 0 0 0
License and software rights [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 69,802 39,156  
Ending balance 60,208 69,802 39,156
License and software rights [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 143,201 94,124 74,683
Additions 4,378 8,503 2,711
Disposals (5,546) (86) 0
Reclassifications 13,975 40,660 16,730
Ending balance 156,008 143,201 94,124
License and software rights [member] | Accumulated amortization and impairment [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance (73,399) (54,968) (44,839)
Amortization for the year (25,493) (18,437) (10,129)
Disposals 3,092 6 0
Impairment loss 0    
Ending balance (95,800) (73,399) (54,968)
Intangible in process [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 17,934 41,632  
Ending balance 14,980 17,934 41,632
Intangible in process [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 17,934 41,632 30,891
Additions 12,041 16,962 27,471
Disposals 0 0 0
Reclassifications (13,975) (40,660) (16,730)
Ending balance 16,000 17,934 41,632
Intangible in process [member] | Accumulated amortization and impairment [member]      
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]      
Beginning balance 0 0 0
Amortization for the year 0 0 0
Disposals 0 0 0
Impairment loss (1,020)    
Ending balance $ (1,020) $ 0 $ 0