Leases - As Lessor (Details) - MXN ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Lease By Lessor
Operating lease commitments by lessor	$ 947,624	$ 1,466,061	$ 966,780
Contingent rental income	204,172	178,469	116,905
2018
Operating Lease By Lessor
Operating lease commitments by lessor	287,650	402,871	352,644
Greater than 1 year and less than 5 years
Operating Lease By Lessor
Operating lease commitments by lessor	542,063	741,320	521,026
Greater than 5 years
Operating Lease By Lessor
Operating lease commitments by lessor	$ 117,911	$ 321,870	$ 93,110

The amount of future minimum lease payments receivable under non-cancellable operating leases. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2017-01-01
-Paragraph 56
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_56_a&doctype=Standard&book=B
-URIDate 2017-03-09

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