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Significant Accounting Policies - Schedule of Taxes Paid on Purchase of Goods and Services (Detail)	12 Months Ended
	Dec. 31, 2019
Contribution on gross revenue for social integration program [member]
Disclosure of significant accounting policies [line items]
Purchase of goods and services tax rate	1.65%
Contribution on gross revenue for social security financing [member]
Disclosure of significant accounting policies [line items]
Purchase of goods and services tax rate	7.60%

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- Definition

Disclosure of significant accounting policies [line items]

+ References

No definition available.

+ Details

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X

- Definition

Purchase of goods and services tax rate.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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