Auditor fees (Details) - EUR (€) € in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Auditor fees
Audit fees	€ 515	€ 181	€ 175
Audit-related fees	57	261	140
Total	€ 572	€ 442	€ 315

The amount of fees paid or payable to the entity's auditors.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2019-03-27

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Period Type:	duration

- References

No definition available.

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- Definition

The amount of fees paid or payable to the entity's auditors for auditing services.

+ References

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Data Type:	xbrli:monetaryItemType
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- Definition

The amount of fees paid or payable to the entity's auditors for audit related fees.

+ References

No definition available.

+ Details

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