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v3.19.1

Related Parties - Summary of Expenses for Compensation of Its Key Executives (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Summary of related parties [line items] |  |  |
Compensation expense of key executives | R$ 41,094 | R$ 50,307 | R$ 51,542
Short-term compensation [member] |  |  |
Summary of related parties [line items] |  |  |
Compensation expense of key executives | 36,504 | 45,477 | 40,306
Stock compensation [member] |  |  |
Summary of related parties [line items] |  |  |
Compensation expense of key executives | 1,407 | 1,399 | 5,427
Post employment benefits [member] |  |  |
Summary of related parties [line items] |  |  |
Compensation expense of key executives | 2,278 | 1,096 | 3,336
Long-term compensation [member] |  |  |
Summary of related parties [line items] |  |  |
Compensation expense of key executives |  | (6,459) | R$ 2,473
Termination benefit [member] |  |  |
Summary of related parties [line items] |  |  |
Compensation expense of key executives | R$ 905 | R$ 8,794 |

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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2018-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2018-03-01&anchor=para_17&doctype=Standard -URIDate 2018-03-16 + Details
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Period Type: | duration

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- Definition Summary of related parties. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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