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Guarantees, commitments and risks - Value at risk - parametric method (Details) - EUR (€) € in Thousands	Dec. 31, 2020	Dec. 31, 2019
Interest rate risk
Guarantees, commitments and risks
Value at risk	€ 1,340	€ 3,000
Interest rate risk | Maximum
Guarantees, commitments and risks
Value at risk	7,390	5,190
Interest rate risk | Minimum
Guarantees, commitments and risks
Value at risk	1,180	2,440
Interest rate risk | Average
Guarantees, commitments and risks
Value at risk	2,930	3,800
Currency
Guarantees, commitments and risks
Value at risk	180	150
Currency | Maximum
Guarantees, commitments and risks
Value at risk	480	410
Currency | Minimum
Guarantees, commitments and risks
Value at risk	100	70
Currency | Average
Guarantees, commitments and risks
Value at risk	€ 280	€ 170

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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 measure of a potential loss exposure as a result of future market movements, based on a specified confidence interval and measurement horizon.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 41
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_41&doctype=Standard
-URIDate 2020-01-01

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