Investment Properties (Details) - BRL (R$) R$ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Notes and other explanatory information [abstract]
Investment properties, beginning	R$ 46,678	R$ 46,726
Depreciation	(12)	(12)
Investment properties, ending	R$ 46,666	R$ 46,714

The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee as a right-of-use asset) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 40
-IssueDate 2023-01-01
-Paragraph 76
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_76&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 40
-IssueDate 2023-01-01
-Paragraph 79
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_79_d&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 54
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_b&doctype=Standard
-URIDate 2023-03-23

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant