XML 53 R42.htm IDEA: XBRL DOCUMENT v3.20.2
Shareholders' Equity (Details) - $ / shares
3 Months Ended 9 Months Ended 12 Months Ended
May 27, 2020
May 05, 2020
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Common Shares                
Dividends to common shareholders (in dollars per share)       $ 0.01 $ 0.01 $ 0.03    
Preferred stock, rate (as a percent)         6.00%   6.00%  
Preferred stock, par value (in dollars per share)     $ 0.001   $ 0.001   $ 0.001  
Preferred stock, liquidation preference (in dollars per share)     50   50   50  
Cash dividend per mandatory convertible preferred shares (in dollars per share)     0.75 $ 0.75 2.25 $ 2.25    
Preferred Stock, Par or Stated Value Per Share     $ 0.001   $ 0.001   $ 0.001  
Minimum percentage beneficial ownership to trigger rights exercise (as a percent) 10.00% 4.90%            
Percentage discount that a rights holder is entitled to when purchasing additional shares (as a percent)   50.00%            
Price per share at which the Rights may be redeemed   0.01            
Exchange ratio after rights trigger   1            
Specific Shareholder [Member]                
Common Shares                
Minimum percentage beneficial ownership to trigger rights exercise (as a percent)   10.00%            
Acquiring Company [Member]                
Common Shares                
Percentage discount that a rights holder is entitled to when purchasing additional shares (as a percent)   50.00%            
Minimum                
Common Shares                
Additional ownership percentage acquired for right trigger   0.50%            
Mandatory Convertible Preferred Shares                
Common Shares                
Preferred shares, shares issued               5,750,000
Preferred stock, rate (as a percent)               6.00%
Preferred stock, par value (in dollars per share)               $ 0.001
Preferred stock, liquidation preference (in dollars per share)               50
Shares repurchased         4,900,000   5,600,000  
Preferred Stock, Par or Stated Value Per Share               $ 0.001
Series B Preferred Stock                
Common Shares                
Preferred stock, par value (in dollars per share)   $ 0.001            
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right   1            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   0.001            
Preferred Stock, Par or Stated Value Per Share   $ 0.001            
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 58.08            
Common Stock | Minimum                
Common Shares                
Conversion ratio               0.1144
Common Stock | Maximum                
Common Shares                
Conversion ratio               0.1372
Common Stock | Mandatory Convertible Preferred Shares                
Common Shares                
Number of consecutive trading days to calculate average share price of common stock               20 days
Common Stock | Mandatory Convertible Preferred Shares | Minimum                
Common Shares                
Conversion ratio               0.1075
Common Stock | Mandatory Convertible Preferred Shares | Maximum                
Common Shares                
Conversion ratio               0.1290