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Share Capital, Reserves and Retained Earnings - Disclosure of Disaggregation of Changes of OCI (Detail) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of Share Capital Reserves and Other Equity Interest [line items]
Exchange difference on translation of foreign operations	€ (1,064)	€ (2,003)	€ 524
Share of OCI of equity-method investees	686	(1,257)	(784)
Actuarial losses on employees' leaving entitlement	68	(185)	2,309
Total	(310)	(3,445)	2,049
Translation reserve [member]
Disclosure of Share Capital Reserves and Other Equity Interest [line items]
Exchange difference on translation of foreign operations	(1,064)	(2,003)	524
Share of OCI of equity-method investees	686	(1,257)	(784)
Total	(378)	(3,260)	(260)
Remeasurement of defined benefit obligation [member]
Disclosure of Share Capital Reserves and Other Equity Interest [line items]
Actuarial losses on employees' leaving entitlement	68	(185)	2,309
Total	€ 68	€ (185)	€ 2,309

X

- Definition

The decrease (increase) in the net defined benefit liability (asset) resulting from settlements. Settlements are transactions that eliminate all further legal or constructive obligations for part or all of the benefits provided under a defined benefit plan, other than a payment of benefits to, or on behalf of, employees that is set out in the terms of the plan and included in the actuarial assumptions. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]; Actuarial assumptions [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2024-01-01
-Paragraph 141
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- Definition

The amount of other comprehensive income, before tax, after reclassification adjustments, related to exchange differences on translation of financial statements of foreign operations. [Refer: Other comprehensive income, before tax]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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The entity's share of the other comprehensive income of associates and joint ventures accounted for using the equity method, net of tax. [Refer: Total for all associates [member]; Investments accounted for using equity method; Total for all joint ventures [member]; Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B16_c&doctype=Appendix&subtype=B
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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