XML 79 R69.htm IDEA: XBRL DOCUMENT v3.7.0.1
Capital Structure - Summary of Authorized and Issued Share Capital (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Sep. 20, 2016
Class of Stock [Line Items]            
Ordinary shares, par value (in usd per share) $ 0.0015144558   $ 0.0015144558   $ 0.0015144558  
Authorized share capital:            
Number of ordinary shares (in shares) 969,629,030   969,629,030   969,629,030  
Number of non-voting shares (in shares) 6,787,880   6,787,880   6,787,880  
Number of preference shares (in shares) 100,000,000   100,000,000   100,000,000  
Ordinary Shares 0.15144558¢ per share $ 1,469   $ 1,469   $ 1,469  
Non-Voting Shares 0.15144558¢ per share 10   10   10  
Preference Shares 0.15144558¢ per share 152   152   152  
Total authorized share capital $ 1,631   $ 1,631   $ 1,631  
Issued share capital:            
Number of issued ordinary shares (in shares) 59,844,075   59,844,075   59,774,464  
Issued ordinary shares of 0.15144558¢ per share $ 91   $ 91   $ 91  
Total issued share capital $ 133   $ 133   $ 140  
Non Voting Shares Par Or Stated Value Per Share $ 0.0015144558   $ 0.0015144558   $ 0.0015144558  
Preference shares, par value (in usd per share) 0.0015144558   0.0015144558   0.0015144558  
Preferred shares, liquidation preference (in USD per share) $ 25   $ 25   $ 25  
Shares repurchase and cancelled during period (in shares) 197,673 409,800 197,673 978,039    
Shares repurchase and cancelled during period, value $ 10,000 $ 18,500 $ 10,000 $ 43,500    
7.401% preference shares            
Issued share capital:            
Preference shares, issued (in shares) 0   0   5,327,500  
Issued preference shares of 0.15144558¢ each with a liquidation preference $ 0   $ 0   $ 8  
Preference shares, par value (in usd per share) $ 0   $ 0   $ 0.0015144558  
Preferred shares, liquidation preference (in USD per share) $ 0   $ 0   $ 25  
Preferred Stock Dividends Rate Percentage 0.00%   0.00%   7.401%  
7.250% preference shares            
Issued share capital:            
Preference shares, issued (in shares) 6,400,000   6,400,000   6,400,000  
Issued preference shares of 0.15144558¢ each with a liquidation preference $ 10   $ 10   $ 10  
Preference shares, par value (in usd per share) $ 0.0015144558   $ 0.0015144558   $ 0.0015144558  
Preferred shares, liquidation preference (in USD per share) $ 25   $ 25   $ 25  
Preferred Stock Dividends Rate Percentage 7.25%   7.25%   7.25%  
5.95% preference shares            
Issued share capital:            
Preference shares, issued (in shares) 11,000,000   11,000,000   11,000,000  
Issued preference shares of 0.15144558¢ each with a liquidation preference $ 17   $ 17   $ 17  
Preference shares, par value (in usd per share) $ 0.0015144558   $ 0.0015144558   $ 0.0015144558  
Preferred shares, liquidation preference (in USD per share) $ 25   $ 25   $ 25  
Preferred Stock Dividends Rate Percentage 5.95%   5.95%   5.95%  
5.625% preference shares            
Issued share capital:            
Preference shares, issued (in shares) 10,000,000   10,000,000   10,000,000 10,000,000
Issued preference shares of 0.15144558¢ each with a liquidation preference $ 15   $ 15   $ 15  
Preference shares, par value (in usd per share) $ 0.0015144558   $ 0.0015144558   $ 0.0015144558  
Preferred shares, liquidation preference (in USD per share) $ 25   $ 25   $ 25 $ 25
Preferred Stock Dividends Rate Percentage 5.625%   5.625%   5.625%