The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2021-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2021-01-01
-Paragraph B13
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Cash and cash equivalents - Summary of Cash and Cash Equivalents (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of cash and cash equivalents [line items]
Cash and cash equivalents	R$ 4,495,645	R$ 2,446,990	R$ 968,342	R$ 297,929
Denominated in R$
Disclosure of cash and cash equivalents [line items]
Cash and cash equivalents	4,431,019	2,370,414
Denominated in US$
Disclosure of cash and cash equivalents [line items]
Cash and cash equivalents	64,593	76,576
Denominated in other foreign currencies
Disclosure of cash and cash equivalents [line items]
Cash and cash equivalents	R$ 33	R$ 0