Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) per Common Share (Weighted Average Shares Outstanding, Anti-dilutive) (Details)

v3.8.0.1
Earnings (Loss) per Common Share (Weighted Average Shares Outstanding, Anti-dilutive) (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total excluded (shares) 2,072 0 1,824 0
Derivative instrument that may be settled in cash or shares, the effect of which is anti-dilutive        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total excluded (shares) 2,045 0 1,797 0
Share-based compensation that may be settled in cash or shares, the effect of which is anti-dilutive        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total excluded (shares) 26 0 26 0
Shares associated with anti-dilutive unexercised stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total excluded (shares) 1 0 1 0