Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Anti-dilutive shares) (Details)

v2.4.0.8
Summary of Significant Accounting Policies (Anti-dilutive shares) (Details)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Weighted Average Number of Shares Outstanding, Basic 14,910 14,713 14,860 14,691
Weighted Average Number Diluted Shares Outstanding Adjustment 0 0 0 463
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,112 1,896 2,112 1,170
Weighted Average Number of Shares Outstanding, Diluted 14,910 14,713 14,860 15,154
Options [Member]
        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 35 50 35 50
Stock-settled 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 1,276 901 1,276 711
Restricted stock/units [Member]
        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 613 665 613 129
Performance contingent SARs [Member]
        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 188 280 188 280