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Commitments and contingencies: Investment commitments (Details) $ in Thousands	Dec. 31, 2020 MXN ($)
Disclosure of non-adjusting events after reporting period [line items]
Contractual capital commitments	$ 8,260,774
2021
Disclosure of non-adjusting events after reporting period [line items]
Contractual capital commitments	5,460,586
2022
Disclosure of non-adjusting events after reporting period [line items]
Contractual capital commitments	1,907,832
2023
Disclosure of non-adjusting events after reporting period [line items]
Contractual capital commitments	$ 892,356

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- Definition

The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2020-01-01
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-URIDate 2020-01-01

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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