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Intangibles Assets and Goodwill - Summary of Carrying Amount of Intangible Assets, Goodwill and Accumulated Depreciation (Detail) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | € 5,892 | € 5,837
Ending balance | 6,021 | 5,892
Gross carrying amount [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 47,585 | 46,668
Additions | 913 | 880
Disposals |  | (45)
Effect of translation adjustments | 127 | 82
Ending balance | 48,625 | 47,585
Accumulated depreciation, amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (41,693) | (40,831)
Amortisation | (917) | (910)
Disposals |  | 43
Effect of translation adjustments | 6 | 5
Ending balance | (42,604) | (41,693)
Trademark patents and other [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 312 | 317
Ending balance | 452 | 312
Trademark patents and other [member] | Gross carrying amount [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 14,021 | 13,896
Additions | 66 | 169
Disposals |  | (3)
Effect of translation adjustments | (1) | (41)
Ending balance | 14,086 | 14,021
Trademark patents and other [member] | Accumulated depreciation, amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (13,709) | (13,579)
Amortisation | (150) | (158)
Disposals |  | 1
Effect of translation adjustments | 225 | 27
Ending balance | (13,634) | (13,709)
Software [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 1,633 | 1,674
Ending balance | 1,501 | 1,633
Software [member] | Gross carrying amount [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 29,617 | 28,926
Additions | 847 | 711
Disposals |  | (42)
Effect of translation adjustments | 7 | 22
Ending balance | 30,471 | 29,617
Software [member] | Accumulated depreciation, amortisation and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (27,984) | (27,252)
Amortisation | (767) | (752)
Disposals |  | 42
Effect of translation adjustments | (219) | (22)
Ending balance | (28,970) | (27,984)
Goodwill [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 3,947 | 3,846
Ending balance | 4,068 | 3,947
Goodwill [member] | Gross carrying amount [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 3,947 | 3,846
Effect of translation adjustments | 121 | 101
Ending balance | € 4,068 | € 3,947

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- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The decrease in intangible assets and goodwill resulting from disposals. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_e_ii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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