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Loss Per Share - Summary Of Basic And Diluted Net Loss Per Share (Detail) - EUR (€) € / shares in Units, € in Thousands, shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings per share [abstract]
Net loss attributable to ordinary shares	€ (218,290)	€ (65,354)	€ (110,761)
Weighted-average shares outstanding-basic and diluted	101,442	77,861	72,606
Basic earnings (loss) per share	€ (2.15)	€ (0.84)	€ (1.53)
Diluted earnings (loss) per share	€ (2.15)	€ (0.84)	€ (1.53)

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- Definition

The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

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Profit loss attributable to ordinary equity holders of parent entity after deduction of dividends paid.

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