The Company and basis of presentation (Details) € in Thousands	3 Months Ended
Mar. 31, 2020 EUR (€)	Mar. 31, 2019 EUR (€)
Borrowings under lines of credit
The Company and basis of presentation
Borrowings under cash management system	€ 352,846
Research and development expense reclassified to selling, general and administrative
The Company and basis of presentation
Amount of reclassifications or changes in presentation		€ 5,016
Trade accounts and other receivables reclassified to accounts receivable from related parties, cash flow
The Company and basis of presentation
Amount of reclassifications or changes in presentation		€ 16,224
ARGENTINA
The Company and basis of presentation
Gains (losses) on net monetary position	€ (4,131)
Level of price index	305.6
Percentage of price index increase	8.00%

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Percentage of price index increase

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- Definition

The amount that is reclassified when the entity changes classification or presentation in its financial statements.

+ References

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The gains (losses) representing the difference resulting from the restatement of non-monetary assets, owners' equity and items in the statement of comprehensive income and the adjustment of index linked assets and liabilities in hyperinflationary reporting.

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The value of the level of the general price index used to restate financial statement information of an entity whose functional currency is the currency of a hyperinflationary economy.

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