Trade accounts payable (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Trade accounts payable
Trade accounts payable	R$ 632,565	R$ 621,179
Domestic
Trade accounts payable
Trade accounts payable	559,885	575,631
Foreign
Trade accounts payable
Trade accounts payable	R$ 72,680	R$ 45,548

The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Period Type:	instant