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Stock-Based Compensation Stock Appreciation Rights Activity (Details) (USD $)
Share data in Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 3 years 10 months 24 days 4 years 1 month 6 days  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 51.00% 56.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 1.55% 0.73%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 3.10% 3.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 5.46 $ 6.18  
Amended and Restated 2004 Omnibus Stock Plan | Stock Appreciation Rights [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options $ 600,000    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]      
Outstanding ending balance (in shares) 628 857 695
Granted (in shares)   18 429
Exercised (in shares) (53) (79) (22)
Canceled (in shares) (16) (69) (136)
Expired (in shares) (66) (99) (109)
Outstanding ending balance (in shares) 493 628 857
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Outstanding, Weighted-Average Exercise Price, Begining Balance (in dollars per share) $ 16.53 $ 16.51 $ 19.47
Granted, Weighted-Aberage Exercise Price (in dollars per share)   $ 14.99 $ 13.15
Exercised, Weighted-Aberage Exercise Price (in dollars per share) $ 11.54 $ 10.88 $ 10.06
Canceled, Weighted-Aberage Exercise Price (in dollars per share) $ 12.10 $ 13.38 $ 15.70
Expired, Weighted-Aberage Exercise Price (in dollars per share) $ 25.65 $ 22.99 $ 24.49
Outstanding, Weighted-Average Exercise Price, Ending Balance (in dollars per share) $ 15.98 $ 16.53 $ 16.51
Outstanding at year end, Weighted-Average Remaing Contractual Life (in years) 3 years    
Outstanding at December 31, 2013 Aggregate Intrinsic Value 1,999,000    
Exercisable at December 31, 2013 (in shares) 287    
Exercisable at December 31, 2013, Weighted-Average Exercise Price (in dollars per share) $ 18.02    
Exercisable at December 31, 2013, Weighted-Average Remaing Contractual Life (in years) 2 years 3 months 18 days    
Exercisable at December 31, 2013, Aggregate Intrinsic Value 863,000    
Exercisable and expected to vest at December 31, 2013 (in shares) 434    
Exercisable and expected to vest at December 31, 2013, Weighted-Average Exercise Price (in dollars per share) $ 16.52    
Exercisable and expected to vest at December 31, 2013, Weighted-Average Remainig Contractual Life (in years) 2 years 10 months 24 days    
Exercisable and expected to vest at December 31, 2013, Aggregate Intrinsic Value $ 1,613,000    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term   4 years 3 months 18 days 4 years 6 months
Minimum [Member] | Amended and Restated 2004 Omnibus Stock Plan | Stock Appreciation Rights [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate   0.00% 54.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate   0.00% 0.87%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate   0.00% 2.71%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 0.00 $ 3.22
Maximum [Member] | Amended and Restated 2004 Omnibus Stock Plan | Stock Appreciation Rights [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 4 years 3 months 18 days    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 56.00% 56.00% 60.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 0.72% 0.72% 2.37%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 3.47% 3.47% 4.97%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 5.20 $ 5.20 $ 8.13