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Deferred Income for Government Grants - Summary of Changes in the Carrying Amount of Deferred Income for Government Grants (Detail) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accruals and deferred income [abstract]
Deferred income beginning balance	€ 13,002	€ 13,771
Additions	2,493	292
Credit to profit or loss	(1,626)	(1,061)
Deferred income ending balance	€ 13,869	€ 13,002

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- References

No definition available.

+ Details

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- Definition

The amount of non-current government grants recognised on the statement of financial position as deferred income. [Refer: Government [member]; Deferred income; Government grants]

+ 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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- Definition

Deferred income additions.

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No definition available.

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- Definition

Increase decrease in deferred income.

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No definition available.

+ Details

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