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Investments in Associates and Joint Ventures - Reconciles of Summary of Financial Information (Details) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2021 MXN ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 USD ($)
Group's interest in UHI: |  |  |  |  |  |
Impairment loss on Group's investment in shares of UHI II |  |  | $ 5,455,356 |  |  |
UH II.. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Net (loss) income | $ 4,232,441 | $ 208,638 | 78,133 | $ 3,635 | $ 532,896 | $ 27,668
Other comprehensive income (loss) | 232,773 | $ 11,374 | (50,872) | $ (2,367) | (190,457) | $ (9,889)
Adjustments for differences in accounting policies: |  |  |  |  |  |
Net income (loss) | 4,834,744 |  | 79,163 |  | 55,058 |
Other comprehensive income (loss) |  |  | (6,657) |  | (45,263) |
Group's interest in UHI: |  |  |  |  |  |
Net income (loss) | (602,303) |  | (1,030) |  | 477,838 |
Other comprehensive income (loss) | 232,773 |  | (57,529) |  | $ (235,720) |
Impairment loss on Group's investment in shares of UHI II | $ 4,161,704 |  | $ (5,455,356) |  |  |

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