Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Common Share (Weighted Average Shares outstanding which are anti-dilutive) (Details)

v3.5.0.2
Earnings (Loss) Per Common Share (Weighted Average Shares outstanding which are anti-dilutive) (Details) - shares
shares in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 3 758 5 631
Employee Stock Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 3 120 5 119
Stock Appreciation Rights (SARs) [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 612 0 486
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]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 26 0 26