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Derivatives - Company's Outstanding Derivatives (Details)
R$ in Thousands, $ in Thousands
Sep. 30, 2019
BRL (R$)
Sep. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Equity Option | Brazilian Real puts      
Derivative [Line Items]      
Notional amount | R$ R$ 90,000    
Fair value   $ 390 $ 413
Fair value   (370) (30)
Swap | Interest Rate Swap      
Derivative [Line Items]      
Notional amount   150,000  
Swap | Interest Rate Swap | Other liabilities      
Derivative [Line Items]      
Fair value   $ (1,698) $ (977)