Summary of Significant Accounting Policies (Anti-dilutive shares) (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted Average Number of Shares Outstanding, Basic	14,938	14,740	14,886	14,708
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0	0	0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,103	1,718	2,103	1,718
Weighted Average Number of Shares Outstanding, Diluted	14,938	14,740	14,886	14,708
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	25	42	25	42
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	1,270	796	1,270	796
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	620	600	620	600
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