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Leases - Summary of Maturity Profile of Lease Liabilities (Detail) - EUR (€) € in Thousands	Mar. 31, 2019	Jan. 01, 2019
Disclosure of maturity analysis of operating lease payments [line items]
Lease liabilities	€ 17,484	€ 17,700
Lease liabilities undiscounted cash flows	18,808
Within 1 year [member]
Disclosure of maturity analysis of operating lease payments [line items]
Lease liabilities	4,342
Within 1 to 5 years [member]
Disclosure of maturity analysis of operating lease payments [line items]
Lease liabilities	11,281
After 5 years [member]
Disclosure of maturity analysis of operating lease payments [line items]
Lease liabilities	€ 3,185

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- Definition

Contractual Undiscounted Cashflow Of Financial Liabilities.

+ References

No definition available.

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2019-01-01
-Name IFRS
-Number 16
-IssueDate 2018-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_47_b&doctype=Standard
-URIDate 2018-03-16

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