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v3.19.1

Share Capital (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 20, 2014 USD ($) shares | Mar. 25, 2019 | Nov. 15, 2018 shares | Dec. 31, 2018 $ / shares shares | Dec. 31, 2017 $ / shares shares | Dec. 31, 2016 $ / shares shares
Class of Stock [Line Items] |  |  |  |  |  |
Classes of common shares |  |  |  | 2 |  |
Common Shares, Conversion Basis |  |  |  | As a consequence of the completion of the Poseidon Transaction, the outstanding shares of Class B common shares converted to Class A common shares on a one-for-one basis on January 2, 2019 and were also retrospectively adjusted for the one-for-eight reverse stock split. |  |
Common Shares [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shares Issued During Period, Shares, New Issues | shares |  |  | 3,005,603 | 3,065,988 |  |
Shares Issued During Period, Shares, Share-based Compensation | shares |  |  |  |  | 4,266 | 4,266
Common Shares [Member] | Reverse Stock Split [Member] | Subsequent Event [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shareholders' Equity Note, Reverse Stock Split, Conversion Ratio |  | 8 |  |  |  |
Common Class A [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Convertible Preferred Shares, Shares to be Issued upon Conversion | shares |  |  |  | 12,955,187 |  |
Common Class A [Member] | Director [Member] | 2015 Plan [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shares issued | shares |  |  | 60,425 |  | 4,266 | 4,266
Shares issued as percentage of directors base fee |  |  |  |  | 20.00% | 20.00%
Shares issued notional value per share | $ / shares |  |  |  |  | $ 32 | $ 32
Series B Preferred Shares [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Depositary shares issued | shares | 1,400,000 |  |  |  |  |
Preferred shares dividend rate percentage |  |  |  | 8.75% |  |
Preferred shares issuance term description |  |  |  | On August 20, 2014, the Company issued 1,400,000 depositary shares, each of which represents 1/100th of one share of the Company’s 8.75% Series B Cumulative Redeemable Perpetual Preferred Shares (the “Series B Preferred Shares”). |  |
Preferred Shares, Redemption Terms |  |  |  | At any time after August 20, 2019 (or within 180 days after the occurrence of a fundamental change), the Series B Preferred Shares may be redeemed, at the discretion of the Company, in whole or in part, at a redemption price of $2,500.00 per share (equivalent to $25.00 per depositary share). |  |
Redemption price per share | $ / shares |  |  |  | $ 2,500.00 |  |
Redemption price per depositary share | $ / shares |  |  |  | 25.00 |  |
Net proceeds from issuance | $ | $ 33,497 |  |  |  |  |
Preferred shares, par value | $ / shares |  |  |  | $ 0.01 | $ 0.01 | $ 0.01
Series B Preferred Shares [Member] | Third Quarter, 2014 [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Dividend declaration date |  |  |  | Sep. 22, 2014 |  |
Series C Preferred Shares [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Preferred shares, par value | $ / shares |  |  |  | $ 0.01 |  |
Series C Preferred Shares [Member] | Preferred Shares [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Series C Preferred shares issued | shares |  |  |  | 250,000 |  |
Preferred shares, par value | $ / shares |  |  |  | $ 0.01 |  |
Preferred Shares Number Of Voting Rights |  |  |  | 38.75 |  |
Convertible Preferred Shares, Terms of Conversion |  |  |  | Each Series C Preferred Share carries 38.75 votes and are convertible in certain circumstances to a total of 12,955,187 Class A common shares. |  |

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