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Stockholders' equity and dividend payment, Series C Participating Preferred stock (Details) - $ / shares | Dec. 31, 2019 | Jan. 31, 2017
--- | --- | ---
Common Stock [Member] |  |
Series C Participating Preferred Stock [Abstract] |  |
Par value (in dollars per share) | $ 0.01 | $ 0.01
Series C Participating Preferred Stock [Member] |  |
Series C Participating Preferred Stock [Abstract] |  |
Number of preferred share purchase right, for each outstanding common stock (in shares) |  | 1
Par value (in dollars per share) |  | $ 0.01
Share price (in dollars per share) |  | $ 22.00
Number of shares purchased (in shares) |  | 0.0001

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- Definition Total number of shares purchased. + References No definition available. + Details
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- References No definition available. + 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 2019-01-01 -Paragraph 79 -Subparagraph a -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iii&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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- Details
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