Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Earnings (Loss) Per Common Share Earnings (Loss) Per Common Share (Weighted Average Shares outstanding which are anti-dilutive) (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 6 486
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 6 118
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 0 342
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