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Significant Accounting Policies - Summary of Impact on Adoption of Cash Flows (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement [Line Items]      
Profit (loss) R$ 804,195 R$ 305,227 R$ (104,969)
Depreciation and amortization 163,396 92,333 57,208
Other financial costs and foreign exchange, net 110,744 126,756 71,920
Working capital adjustments:      
Prepaid expenses 2,603 (4,675) (6,418)
Net cash used in operating activities (2,651,781) (2,415,583) (1,283,949)
Payment of leases (38,023) (14,296) (12,983)
Net cash provided by financing activities 3,757,949 R$ 4,794,888 R$ 2,053,425
Increase Decrease Due to Adoption of IAS 17 Lease [member]      
Statement [Line Items]      
Profit (loss) (6,039)    
Depreciation and amortization 27,383    
Other financial costs and foreign exchange, net 4,904    
Loss on disposal of property, equipment and intangible assets (46)    
Deferred income tax and social contribution 1,084    
Working capital adjustments:      
Prepaid expenses 8,144    
Net cash used in operating activities 35,430    
Payment of leases (35,430)    
Net cash provided by financing activities R$ (35,430)