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Related Parties - Summary of Shares granted (Detail) R$ / shares in Units, R$ in Thousands | 12 Months Ended
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Dec. 31, 2019 BRL (R$) R$ / shares
Summary of related parties [line items] |
Balance of number of shares granted | 1,224,524
Total grant costs, including taxes | R$ 76,602
Accumulated recognized grant costs | (61,393)
Accumulated unrecognized grant costs | R$ 15,209
Sharebased payment arrangements 1 [member] |
Summary of related parties [line items] |
Grant date | March 13, 2017
Balance of number of shares granted | 200,000
Vesting period | 2022 to 2024
Market price of shares on the grant date | R$ / shares | R$ 34.00
Total grant costs, including taxes | R$ 9,378
Accumulated recognized grant costs | (4,513)
Accumulated unrecognized grant costs | R$ 4,865
Sharebased payment arrangements 2 [member] |
Summary of related parties [line items] |
Grant date | March 4, 2016
Balance of number of shares granted | 380,000
Vesting period | 2021 to 2023
Market price of shares on the grant date | R$ / shares | R$ 32.72
Total grant costs, including taxes | R$ 17,147
Accumulated recognized grant costs | (11,164)
Accumulated unrecognized grant costs | R$ 5,983
Sharebased payment arrangements 3 [member] |
Summary of related parties [line items] |
Grant date | December 10, 2014
Balance of number of shares granted | 533,324
Vesting period | 2019 to 2021
Market price of shares on the grant date | R$ / shares | R$ 25.32
Total grant costs, including taxes | R$ 27,939
Accumulated recognized grant costs | (23,967)
Accumulated unrecognized grant costs | R$ 3,972
Sharebased payment arrangements 4 [member] |
Summary of related parties [line items] |
Grant date | March 5, 2014
Balance of number of shares granted | 111,200
Vesting period | 2020 to 2021
Market price of shares on the grant date | R$ / shares | R$ 26.08
Total grant costs, including taxes | R$ 5,999
Accumulated recognized grant costs | (5,610)
Accumulated unrecognized grant costs | R$ 389
Sharebased payment arrangements 5 [member] |
Summary of related parties [line items] |
Grant date | November 7, 2012
Vesting period | 2019
Market price of shares on the grant date | R$ / shares | R$ 21.45
Total grant costs, including taxes | R$ 16,139
Accumulated recognized grant costs | R$ (16,139)

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- Definition The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 45 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45_a&doctype=Standard -URIDate 2019-03-27 + Details
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