Commitments (Details) - Brenco [Member] R$ in Thousands	12 Months Ended
Jun. 30, 2019 BRL (R$) N	Jun. 30, 2018 BRL (R$) N	Jun. 30, 2017 BRL (R$) N
LegalEntityLineItems [Line Items]
Number of sugarcane (tons) \| N	761,996	842,960	720,548
Net revenue from sugarcane \| R$	R$ 73,480	R$ 81,375	R$ 59,811

The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants.

No definition available.

Name:	lnd_GrossRevenueFromSugarcane
Namespace Prefix:	lnd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration