Earnings Per Share - Summary of Earnings and Share Data Used in the Basic and Diluted Earnings Per Share Calculation (Detail) - EUR (€) € / shares in Units, € in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Earnings
Net profit/(loss) attributable to ordinary equity holders of the parent for the purposes of basic earnings per share	€ 629,339	€ (94,626)
Number of shares
Weighted average number of ordinary shares for the purposes of basic earnings per share	61,681,886	60,018,550
Dilution effects from warrants and RSUs	2,840,062
Weighted average number of ordinary shares, diluted earnings per share	64,521,948	60,018,550
Basic earnings per share	€ 10.2	€ (1.58)
Diluted earnings per share	€ 9.75	€ (1.58)

Diluted earnings per share, reported.

No definition available.

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- Definition

Dilutive Effect Of Warrants And Restricted Share Units On Weighted Average Number Of Ordinary Shares.

+ References

No definition available.

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- Definition

Earnings.

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No definition available.

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- Definition

Number of shares.

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No definition available.

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- Definition

The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

+ References

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)]

+ References

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- Definition

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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