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Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Details) € in Thousands, $ in Thousands | Dec. 31, 2021 EUR (€) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 EUR (€) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 EUR (€)
--- | --- | --- | --- | --- | --- | --- | ---
Cash and cash equivalent [line items] |  |  |  |  |  |  |
Short-term deposits | € 69,045 |  | € 166,034 |  | € 263,147 |  |
Cash on hand and bank accounts | 189,711 |  | 4,995 |  | 13,601 |  |
TOTAL | 258,756 | $ 81,713 | 171,029 | $ 111,221 | 276,748 | $ 153,438 | € 207,240
UCITS |  |  |  |  |  |  |
Cash and cash equivalent [line items] |  |  |  |  |  |  |
Short-term deposits | 0 |  | 2,060 |  | 3,096 |  |
TERM ACCOUNTS |  |  |  |  |  |  |
Cash and cash equivalent [line items] |  |  |  |  |  |  |
Short-term deposits | 69,045 |  | 143,827 |  | 215,018 |  |
INTEREST-BEARING CURRENT ACCOUNT |  |  |  |  |  |  |
Cash and cash equivalent [line items] |  |  |  |  |  |  |
Short-term deposits | € 0 |  | € 20,147 |  | € 45,033 |  |

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- Definition The amount of cash on hand and demand deposits. [Refer: Cash on hand] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 + Details
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