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Income Tax Expense - Summary of Movements in deferred Tax Balances (Detail) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Deferred Tax Assets And Liabilities [line items] |  |  |
initial balance | € (110) | € (492) | € 83
Recognised in profit or loss | 146 | 382 | (575)
Final balance | 36 | (110) | (492)
Deferred tax assets [member] |  |  |
Deferred Tax Assets And Liabilities [line items] |  |  |
initial balance | 1,295 | 2,023 | 1,974
Recognised in profit or loss | 670 | (728) | 49
Final balance | 1,965 | 1,295 | 2,023
Deferred tax liability [member] |  |  |
Deferred Tax Assets And Liabilities [line items] |  |  |
initial balance | (1,405) | (2,515) | (1,891)
Recognised in profit or loss | (524) | 1,110 | (624)
Final balance | € (1,929) | € (1,405) | € (2,515)

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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph g -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2022-03-24 + Details
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