XML 25 R52.htm IDEA: XBRL DOCUMENT v3.20.1
SHAREHOLDERS' EQUITY (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Nov. 19, 2019
Mar. 29, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jun. 16, 2017
Authorized Shares [Roll forward]            
Balance at beginning of period (in shares)     360,000,000      
Balance at end of period (in shares)     360,000,000 360,000,000    
Issued and Outstanding Shares [Roll forward]            
Balance at beginning of period, issued (in shares)     141,969,666      
Balance at beginning of period, outstanding (in shares)     141,969,666      
Common Shares Issued in Follow-on Offering (in shares)   5,260,968        
Balance at end of period, issued (in shares)     147,230,634 141,969,666    
Balance at end of period, outstanding (in shares)     147,230,634 141,969,666    
Common Stock [Roll forward]            
Common Shares Issued in Follow-on Offering, value     $ 17,922   $ 103,748  
Common Stock [Abstract]            
Proceeds from issuance of common stock     17,922 $ 0 103,748  
Additional Paid in Capital [Abstract]            
Reduction of share premium $ (103,400)   0   $ 0  
Share premium fund     17,900 103,400    
Contributed Surplus Account [Abstract]            
Reduction of contributed surplus     (308,800)      
Dividend paid     14,300 9,900    
Contribution to surplus account     $ 567,200 $ 796,800    
Shareholders' Rights Plan [Abstract]            
Common Share, par value (in dollars per share)     $ 0.01 $ 0.01    
Shareholders' Rights Agreement [Member]            
Shareholders' Rights Plan [Abstract]            
Preferred share purchase right           0.001
Common Share, par value (in dollars per share)           $ 0.01
Shareholders rights, exercise price (in dollars per share)           $ 30
Percentage of common share ownership           15.00%
Common Stock [Member]            
Authorized Shares [Roll forward]            
Balance at beginning of period (in shares)     360,000,000 180,000,000 180,000,000  
Authorization of additional authorized shares (in shares)       180,000,000    
Balance at end of period (in shares)     360,000,000 360,000,000 180,000,000  
Issued and Outstanding Shares [Roll forward]            
Balance at beginning of period, issued (in shares)     141,969,666 141,969,666 101,969,666  
Balance at beginning of period, outstanding (in shares)     141,969,666 141,969,666 101,969,666  
Common Shares Issued in Follow-on Offering (in shares)     5,260,968   40,000,000  
Balance at end of period, issued (in shares)     147,230,634 141,969,666 141,969,666  
Balance at end of period, outstanding (in shares)     147,230,634 141,969,666 141,969,666  
Common Stock [Roll forward]            
Balance at beginning of period     $ 1,420 $ 1,420 $ 1,020  
Common Shares Issued in Follow-on Offering, value     52   400  
Balance at end of period     1,472 $ 1,420 1,420  
Additional Paid in Capital [Abstract]            
Reduction of share premium     $ 0   $ 0