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Transactions with Related Parties - Other transactions (Details) $ in Thousands | 11 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2017 MXN ($) | Dec. 31, 2017 MXN ($) director item | Dec. 31, 2016 MXN ($) | Dec. 31, 2015 MXN ($)
Transactions with related parties |  |  |  |
Number of Mexican banks that have made loans to Group | item |  | 2 |  |
Aggregate annual amount of contracts leasing office space |  | $ 26,963 | $ 26,538 |
Consulting firm |  |  |  |
Transactions with related parties |  |  |  |
Fees for services received |  | 2,581 | 16,291 | $ 21,526
Professional services firm secretary of Company's Board |  |  |  |
Transactions with related parties |  |  |  |
Fees for services received |  | 33,316 | 39,996 | 59,281
Professional services firm, two directors |  |  |  |
Transactions with related parties |  |  |  |
Fees for services received |  | $ 97,272 | 19,300 | 16,034
Number of directors that maintain an interest in a professional services firm | director |  | 2 |  |
Member of the Company's Board |  |  |  |
Transactions with related parties |  |  |  |
Fees for services received | $ 2,391 |  | $ 5,766 | $ 9,270

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