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v3.20.2

Summary of Significant Accounting Policies - Additional Information (Detail) - BRL (R$) R$ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2019
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Incremental borrowing rate applied to lease liabilities |  |  |  |  |  | 9.00%
Tax rate on taxable income | 34.00% | 34.00% | 34.00% | 34.00% | 34.00% |
Surcharge on taxable income |  |  | 10.00% |  |  |
Monthly minimum income for surcharge |  |  | R$ 20 |  |  |
Annual minimum income for surcharge |  |  | R$ 240 |  |  |
Social contribution tax on net income |  |  | 9.00% |  |  |
Social contribution tax on net income, temporary increase |  |  | 20.00% |  |  |
Loss carryforwards used to offset taxable profit |  |  | 30.00% |  |  |
PIS tax rate |  |  | 1.65% |  |  |
COFINS tax rate |  |  | 7.60% |  |  |
Rate applicable to companies under PPM PIS |  |  | 0.65% |  |  |
Rate applicable to companies under PPM COFINS |  |  | 3.00% |  |  |
Federal Income Tax [member] |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Tax rate on taxable income |  |  | 15.00% |  |  |
Bottom of range [member] |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of taxes reducing gross revenues |  |  | 2.00% |  |  |
Top of range [member] |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of taxes reducing gross revenues |  |  | 5.00% |  |  |
Financial Institutions and Insurance Companies [member] |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Social contribution tax on net income |  |  | 15.00% |  |  |
Rate applicable to companies under PPM PIS |  |  | 1.00% |  |  |
Rate applicable to companies under PPM COFINS |  |  | 4.00% |  |  |

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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The weighted average lessee's incremental borrowing rate applied to lease liabilities recognised in the statement of financial position at the date of initial application of IFRS 16. The incremental borrowing rate is the rate of interest that a lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the right-of-use asset in a similar economic environment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph C12 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_C12_a&doctype=Appendix&subtype=C -URIDate 2019-03-27 + Details
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