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v3.19.2

Retrospective restatement of the 2016 and 2017 financial statements (Schedule of Comprehensive Income Statement) (Details) - MXN ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statement Line Items [Line Items] |  |  |
Interest income | $ 312,821 | $ 252,291 | $ 140,033
Income before income taxes | 4,199,392 | 3,017,440 | 5,301,134
Income taxes | 752,462 | 1,122,809 | 936,394
Net income for the year | 3,446,930 | 1,894,631 | 4,364,740
Comprehensive income for the year | 2,831,763 | 1,364,726 | 7,172,037
Net income attributable to: |  |  |
Controlling interest | (206,417) | (145) | 1,458,377
Net income for the year | 3,446,930 | 1,894,631 | 4,364,740
Comprehensive income attributable to: |  |  |
Controlling interest | 3,046,560 | 1,368,112 | 5,825,369
Comprehensive income net for the year | $ 2,831,763 | $ 1,364,726 | $ 7,172,037
Income per share (controling interest) (Mexican pesos) | $ 7.46 | $ 3.84 | $ 5.97
Previously presented [Member] |  |  |
Statement Line Items [Line Items] |  |  |
Interest income |  | $ 54,238 | $ 108,151
Income before income taxes |  | 2,819,387 | 5,269,252
Income taxes |  | (1,097,860) | (926,041)
Net income for the year |  | 1,721,527 | 4,343,211
Comprehensive income for the year |  | 1,191,622 | 7,150,508
Net income attributable to: |  |  |
Controlling interest |  | 1,721,672 | 2,884,834
Net income for the year |  | 1,721,527 | 4,343,211
Comprehensive income attributable to: |  |  |
Controlling interest |  | 1,195,008 | 5,803,840
Comprehensive income net for the year |  | $ 1,191,622 | $ 7,150,508
Income per share (controling interest) (Mexican pesos) |  | $ 3.49 | $ 5.93
Modified [Member] |  |  |
Statement Line Items [Line Items] |  |  |
Interest income |  | $ 252,291 | $ 140,033
Income before income taxes |  | 3,017,440 | 5,301,134
Income taxes |  | (1,122,809) | (936,394)
Net income for the year |  | 1,894,631 | 4,364,740
Comprehensive income for the year |  | 1,364,726 | 7,172,037
Net income attributable to: |  |  |
Controlling interest |  | 1,894,776 | 2,906,363
Net income for the year |  | 1,894,631 | 4,364,740
Comprehensive income attributable to: |  |  |
Controlling interest |  | 1,368,112 | 5,825,369
Comprehensive income net for the year |  | $ 1,364,726 | $ 7,172,037
Income per share (controling interest) (Mexican pesos) |  | $ 3.84 | $ 5.97

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