Related-party transactions - Additional Information (Detail) - EUR (€) € in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Jul. 28, 2021 |
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| Related Party Transactions [Line Items] | ||||
| Percentage of voting equity interests acquired | 100.00% | |||
| Share-based payment expenses | € 89,636 | € 2,450 | € 0 | |
| Mega E [Member] | ||||
| Related Party Transactions [Line Items] | ||||
| Percentage of voting equity interests acquired | 100.00% | |||
| General and administrative Expenses [Member] | ||||
| Related Party Transactions [Line Items] | ||||
| Share-based payment expenses | 89,636 | 2,450 | 0 | |
| External Consulting Services [Member] | ||||
| Related Party Transactions [Line Items] | ||||
| Share-based payment expenses | € 202,201 | € 4,650 | € 0 | |
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- Definition Related party transactions. No definition available.
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- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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