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Land, furniture and equipment - Net: (Details) - MXN ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Property, plant and equipment | $ 473,238 | $ 323,099 | $ 321,913
Additions other than through business combinations, property, plant and equipment | 3,665 | 1,186 |
Acquisitions through business combinations, property, plant and equipment | 139,329 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 7,145 |  |
Land [member] |  |  |
Property, plant and equipment | 302,347 | 302,050 | 302,050
Additions other than through business combinations, property, plant and equipment |  |  |
Disposals, property, plant and equipment |  |  |
Acquisitions through business combinations, property, plant and equipment | 290 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 7 |  |
Fixtures and fittings [member] |  |  |
Property, plant and equipment | 72,708 | 60,001 | 55,480
Additions other than through business combinations, property, plant and equipment | 5,852 | 5,008 |
Disposals, property, plant and equipment | (2,326) | (487) |
Acquisitions through business combinations, property, plant and equipment | 8,801 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 380 |  |
Machinery [member] |  |  |
Property, plant and equipment | 65,383 |  |
Additions other than through business combinations, property, plant and equipment | 7,817 |  |
Acquisitions through business combinations, property, plant and equipment | 54,723 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 2,843 |  |
Computer Equipment [Member] |  |  |
Property, plant and equipment | 15,567 |  |
Additions other than through business combinations, property, plant and equipment | 2,872 |  |
Acquisitions through business combinations, property, plant and equipment | 12,231 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 464 |  |
Vehicles [Member] |  |  |
Property, plant and equipment | 20,913 |  |
Additions other than through business combinations, property, plant and equipment | 958 |  |
Acquisitions through business combinations, property, plant and equipment | 18,980 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 975 |  |
Leasehold Improvements [Member] |  |  |
Property, plant and equipment | 44,916 |  |
Acquisitions through business combinations, property, plant and equipment | 42,532 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 2,384 |  |
Equipment in transit [Member] |  |  |
Property, plant and equipment | 10,933 |  |
Additions other than through business combinations, property, plant and equipment | 9,069 |  |
Acquisitions through business combinations, property, plant and equipment | 1,772 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 92 |  |
Gross carrying amount [member] |  |  |
Property, plant and equipment | 462,305 | 323,099 | 321,913
Additions other than through business combinations, property, plant and equipment | (5,404) | 1,186 |
Acquisitions through business combinations, property, plant and equipment | 137,557 |  |
Increase (decrease) through net exchange differences, property, plant and equipment | 7,053 |  |
Accumulated depreciation and amortisation [member] |  |  |
Property, plant and equipment | (59,529) | (38,952) | $ (35,617)
Additions other than through business combinations, property, plant and equipment | (22,903) | (3,822) |
Disposals, property, plant and equipment | $ 2,326 | $ 487 |

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- Definition The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_iii&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_i&doctype=Standard -URIDate 2017-03-09 + Details
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