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Significant Accounting Policies - Additional Information (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Segments
Category
Jan. 01, 2019
Disclosure of significant accounting policies [line items]    
Number of reportable segments | Segments 1  
Number of financial assets categories | Category 4  
Provision for income tax percentage 25.00%  
Social contribution tax percentage 9.00%  
Maximum lease contract for elect to use exemptions proposed on lease contracts | $ $ 5,000  
Maximum lease term for elect to use exemptions proposed on lease contracts 12 months  
IFRS 16 [Member]    
Disclosure of significant accounting policies [line items]    
Borrowing Rate   6.80%
Federal tax authorities of Brazil [member]    
Disclosure of significant accounting policies [line items]    
Percentage of offset of tax loss carry forwards up to annual taxable income 30.00%