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Taxation - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2020
USD ($)
Disclosure Of Income Tax Jurisdiction [Line Items]  
Tax losses for which no deferred income tax asset recognized $ 5.3
Deferred tax asset carryforward $ 20.2
Argentina  
Disclosure Of Income Tax Jurisdiction [Line Items]  
Operating loss carryforwards, expiration period 5 years
Uruguay  
Disclosure Of Income Tax Jurisdiction [Line Items]  
Operating loss carryforwards, expiration period 5 years
Brazil  
Disclosure Of Income Tax Jurisdiction [Line Items]  
Proportion of taxable profit that can be reduced by operating loss carryforwards (maximum) (as a percent) 30.00%