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Share Capital and Share Premium - Authorised share capital (Details) - USD ($) $ / shares in Units, $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Disclosure of classes of share capital [line items] |  |
Value of shares authorised | $ 2,200 | $ 2,200
Ordinary shares [member] |  |
Disclosure of classes of share capital [line items] |  |
Number of shares authorised | 500,000,000 | 500,000,000
Par value per share | $ 0.004 | $ 0.004
Value of shares authorised | $ 2,000 | $ 2,000
Class B Common Shares [member] |  |
Disclosure of classes of share capital [line items] |  |
Number of shares authorised | 100,000,000 | 100,000,000
Par value per share | $ 0.001 | $ 0.001
Value of shares authorised | $ 100 | $ 100
Preference shares [member] |  |
Disclosure of classes of share capital [line items] |  |
Number of shares authorised | 100,000,000 | 100,000,000
Par value per share | $ 0.001 | $ 0.001
Value of shares authorised | $ 100 | $ 100

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- Definition The number of shares authorised. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The nominal value per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_iii&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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