Financial instruments by category (Details 3)	12 Months Ended
	Jun. 30, 2018 $ / shares
Level 2 [Member] | Swaps Of Interest Rate [Member]
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]
Description	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Swaps of interest rate</font></p>
Pricing model / method	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Discounted cash flow</font></p>
Parameters	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Interest rate futures</font></p>
Range
Level 3 [Member] | Non-Convertible Notes TGLT [Member]
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]
Description	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Non-Convertible Notes - TGLT</font></p>
Pricing model / method	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Black & Scholes - Black & Scholes</font></p>
Parameters	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Price and volatility of the subjacent</font></p> <p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Market Interest rate</font></p>
Range term	<p style="font: 13px Times New Roman, Times, Serif; color: #000000; margin-top: 0pt; margin-bottom: 0pt"><font style="font: 10pt Times New Roman, Times, Serif">Price: Ps. 13 - Ps. 16 Volatility of the subjacent: 40% - 60% Market interest rate: 6% - 7%</font></p>
Level 3 [Member] | Arcos del Gourmet S.A. [Member]
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]
Description	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Arcos del Gourmet S.A. purchase option</font></p>
Pricing model / method	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Discounted cash flow</font></p>
Parameters	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Projected revenues and discount rate</font></p>
Range term	<p style="font: 13px Times New Roman, Times, Serif; color: #000000; margin-top: 0pt; margin-bottom: 0pt"><font style="font: 10pt Times New Roman, Times, Serif">Projected income: USD 0,5MM – USD 1MM Discount rate 8.7% - 9.5%</font></p>
Foreign-Currency Contracts [Member] | Level 2 [Member]
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]
Description	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Foreign-currency contracts</font></p>
Pricing model / method	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Present value method - Theoretical price</font></p>
Parameters	<p style="text-align: left; text-indent: 0px; margin: 0pt 0; font: 13px Times New Roman, Times, Serif; color: #000000"><font style="font: 10pt Times New Roman, Times, Serif">Money market curve; Interest curve; Foreign exchange curve</font></p>