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Accounts receivable - Net: (Details) - MXN ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts receivable - Net:
Clients	$ 1,458,653	$ 1,195,559
Less: impairment provision	(346,183)	(191,766)	$ (179,639)
Clients, accounts receivable, net	1,112,470	1,003,793
Documents receivable from clients	245,757
Total accounts receivable	$ 1,358,227	$ 1,003,793

X

- Definition

Amount of document receivables from clients which as guarantee provided by clients.

+ References

No definition available.

+ Details

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- Definition

Amount of trade receivables net of allowance.

+ References

No definition available.

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X

- Definition

The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
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-IssueDate 2020-01-01
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- Definition

The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

+ References

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- References

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- Definition

The amount due from customers for goods and services sold.

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-IssueDate 2020-01-01
-Paragraph 78
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