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Guarantees, commitments and risks - Value at risk - Historic simulation method (Details) - EUR (€) € in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Commercial exposure |  |
Guarantees, commitments and risks |  |
Value at risk | € 3,020 | € 9,110
Commercial exposure | Maximum |  |
Guarantees, commitments and risks |  |
Value at risk | 16,100 | 23,030
Commercial exposure | Minimum |  |
Guarantees, commitments and risks |  |
Value at risk | 3,020 | 7,740
Commercial exposure | Average |  |
Guarantees, commitments and risks |  |
Value at risk | 8,500 | 11,220
Trading |  |
Guarantees, commitments and risks |  |
Value at risk | 250 | 310
Trading | Maximum |  |
Guarantees, commitments and risks |  |
Value at risk | 1,570 | 1,600
Trading | Minimum |  |
Guarantees, commitments and risks |  |
Value at risk | 100 | 250
Trading | Average |  |
Guarantees, commitments and risks |  |
Value at risk | € 520 | € 510

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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 + Details
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