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Financial Instruments - Fair Values and Risk Management - Summary of Insured and Non-insured Trade Receivables (Detail) - EUR (€) € in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of detailed information about financial instruments [line items] |  |  |
Trade receivables | € 32,819 | € 33,304 | € 32,819
Gross carrying amount [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Trade receivables | 36,480 | 37,567 | € 36,480
Gross carrying amount [member] | Insured trade receivables [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Trade receivables | 23,253 | 25,706 |
Gross carrying amount [member] | Non-insured trade receivables [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Trade receivables | 13,227 | 11,861 |
Provision for doubtful accounts [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Trade receivables | € (3,661) | € (4,263) |

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- Details
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- Details
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