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Share-Based Compensation (Details) (USD $)
8 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)     1,200,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)     195,755    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 6.91 $ 10.42 $ 7.94
Common Stock, Dividends, Per Share, Declared (in Dollars per share) $ 7     $ 6  
Allocated Share-based Compensation Expense     $ 520,000 $ 587,000 $ 521,000
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense     183,000 195,000 127,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized     903,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term     2 years 146 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value     222,000 1,576,000 910,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value     641,000 504,000 815,000
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options     172,000 959,000 1,045,000
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options   132,000 57,000 498,000  
Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits by Title of Individual and Type of Deferred Compensation [Table Text Block]    
14,323
 
$111,000
Adjustments to Additional Paid in Capital, Share-based Compensation, Other Long-term Incentive Plans, Requisite Service Period Recognition     $ 134,000 $ 141,000  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term   7 years 357 days