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Other current and non-current assets - Additional Information (Details) - EUR (€) € in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Disclosure of subsidiaries [line items] |  |
Prepaid insurance expenses | € 200 | € 1,300
Prepaid expenses of licenses and software | 4,500 | 500
Other assets | 2,336 | 950
Non-current prepayments | 4,678 | 636
Current prepaid maintenance expenses | 500 | 800
Non current prepayment of licensing agreement | 4,200 |
Non Current Prepayment Of Maintenance Expense | 300 |
Receivables From Capital Gains Tax [Member] |  |
Disclosure of subsidiaries [line items] |  |
Other assets | 300 | 300
Receivables From Lease Incentive [Member] |  |
Disclosure of subsidiaries [line items] |  |
Other Assets Lease Incentive Receivable | 1,100 |
Celgene Switzerland LLC And Genmab AS [Member] |  |
Disclosure of subsidiaries [line items] |  |
Current Incremental cost for collaboration agreement | 500 | € 700
Non-current prepayments | € 200 |

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