• Filing Date: 2018-05-10
  • Form Type: 10-Q
  • Description: Quarterly report
v3.8.0.1
Earnings Per Share - Reconciliation Additional Information (Details) - shares
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Restricted Stock | 5.0% Senior Unsecured Convertible Notes Due 2023    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 2,182,522  
Restricted Stock | 8.50% Senior Unsecured Convertible Notes Due 2019    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares)   265,212
Stock Option | 5.0% Senior Unsecured Convertible Notes Due 2023    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 239,000  
Stock Option | 8.50% Senior Unsecured Convertible Notes Due 2019    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares)   605,227
Warrant | 5.0% Senior Unsecured Convertible Notes Due 2023    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 44,500,000  
Warrant | 8.50% Senior Unsecured Convertible Notes Due 2019    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares)   6,240,521
Convertible Debt Securities | 5.0% Senior Unsecured Convertible Notes Due 2023    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 37,918,483  
Convertible Debt Securities | 8.50% Senior Unsecured Convertible Notes Due 2019    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 181,249 11,266,011