v3.20.1

Significant accounting policies - Impact of adoption of IFRS 15 (Details) - EUR (€) € / shares in Units, € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of initial application of standards or interpretations [line items] |  |  |
Revenues | € 844,985 | € 288,836 | € 127,087
Loss before tax | 150,060 | (29,209) | (115,507)
Income taxes | (214) | (50) | (198)
Net income/loss (-) | 149,845 | € (29,259) | (115,704)
Basic and diluted loss per share |  | € (0.56) |
Deferred income | 414,298 | € 149,801 | 122,544
Retained earnings / accumulated losses (-) | € (109,223) | (297,779) | (211,441)
IAS18 |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Revenues |  | 232,800 | € 127,087
Loss before tax |  | (85,245) |
Income taxes |  | (50) |
Net income/loss (-) |  | € (85,295) |
Basic and diluted loss per share |  | € (1.64) |
Deferred income |  | € 122,617 |
Retained earnings / accumulated losses (-) |  | (270,595) |
Effect of change between IFRS 15 and IAS 18 |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Revenues |  | 56,036 |
Loss before tax |  | 56,036 |
Net income/loss (-) |  | € 56,036 |
Basic and diluted loss per share |  | € 1.08 |
Deferred income |  | € 27,184 |
Retained earnings / accumulated losses (-) |  | € (27,184) |

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