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Capital Structure and Financial Matters - Shareholdings by Directors and Executive Management (Details) - shares | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
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Executive Management |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 8,638,560 | 8,638,560 | 8,638,056
Niels Iversen Møller |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 4,292,604 | 4,292,604 | 4,292,352
Andreas Holm Mattsson |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 4,163,832 | 4,163,832 | 4,163,832
Lars Aage Staal Wegner |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 182,124 | 182,124 | 181,872
Board of Directors |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 1,231,236 | 803,844 | 778,644
Roberto Prego |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 676,620 | 310,248 | 307,548
Thomas William Wylonis |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 485,676 | 481,860 | 471,096
Marianne Søgaard |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 41,652 |  |
Steven Projan |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued (in shares) | 27,288 | 11,736 |

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