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16. Property, plant and equipment (Details 1) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
SummaryOfPropertyPlantAndEquipmentLineItems [Line Items] |  |  |
Property, plant, and equipment, beginning | R$ 255,050 | R$ 302,383 | R$ 325,076
Additions | 50,645 | 18,920 | 27,631
Transfers | 1,458 | (14,697) | (13,803)
Write-offs and disposals | (108) | (279) | (236)
Depreciation | (39,433) | (51,277) | (36,285)
Property, plant, and equipment, ending | 267,612 | 255,050 | 302,383
Land |  |  |
SummaryOfPropertyPlantAndEquipmentLineItems [Line Items] |  |  |
Property, plant, and equipment, beginning | 92,507 | 92,494 | 102,708
Additions | 0 | 0 | 0
Transfers | 472 | 13 | (10,214)
Write-offs and disposals | 0 | 0 | 0
Depreciation | 0 | 0 | 0
Property, plant, and equipment, ending | 92,979 | 92,507 | 92,494
Buildings |  |  |
SummaryOfPropertyPlantAndEquipmentLineItems [Line Items] |  |  |
Property, plant, and equipment, beginning | 42,360 | 43,262 | 45,891
Additions | 73 | 86 | 0
Transfers | 0 | 1,358 | (911)
Write-offs and disposals | 0 | 0 | (45)
Depreciation | (2,308) | (2,346) | (1,673)
Property, plant, and equipment, ending | 40,125 | 42,360 | 43,262
Equipment |  |  |
SummaryOfPropertyPlantAndEquipmentLineItems [Line Items] |  |  |
Property, plant, and equipment, beginning | 103,803 | 149,140 | 162,218
Additions | 46,473 | 17,627 | 26,061
Transfers | 986 | (15,945) | (6,380)
Write-offs and disposals | (81) | (178) | (181)
Depreciation | (35,095) | (46,841) | (32,578)
Property, plant, and equipment, ending | 116,086 | 103,803 | 149,140
Transportation |  |  |
SummaryOfPropertyPlantAndEquipmentLineItems [Line Items] |  |  |
Property, plant, and equipment, beginning | 3,680 | 4,531 | 5,692
Additions | 589 | 0 | 214
Transfers | 0 | (33) | (556)
Write-offs and disposals | 0 | (27) | 0
Depreciation | (796) | (791) | (819)
Property, plant, and equipment, ending | 3,473 | 3,680 | 4,531
Furniture and fixtures |  |  |
SummaryOfPropertyPlantAndEquipmentLineItems [Line Items] |  |  |
Property, plant, and equipment, beginning | 11,816 | 11,986 | 8,418
Additions | 2,972 | 1,207 | 511
Transfers | 0 | (75) | 4,258
Write-offs and disposals | (27) | (54) | (10)
Depreciation | (1,183) | (1,248) | (1,191)
Property, plant, and equipment, ending | 13,578 | 11,816 | 11,986
Other |  |  |
SummaryOfPropertyPlantAndEquipmentLineItems [Line Items] |  |  |
Property, plant, and equipment, beginning | 884 | 970 | 149
Additions | 538 | 0 | 845
Transfers | 0 | (15) | 0
Write-offs and disposals | 0 | (20) | 0
Depreciation | (51) | (51) | (24)
Property, plant, and equipment, ending | R$ 1,371 | R$ 884 | R$ 970

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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_vii&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_75_a&doctype=Standard -URIDate 2018-03-16 + Details
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