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Stock-Based Compensation (Details) (USD $)
12 Months Ended 54 Months Ended 6 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
May 31, 2016
Jul. 11, 2011
Dec. 31, 2013
Maximum [Member]
Dec. 31, 2013
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
weighted average fair value price of stock awards lower             $ 13.86
weighted average fair value price of stock awards upper           $ 18.18  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 1,100,000 $ 1,000,000          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 13.57 $ 13.57 $ 0.00        
Stock-based Compensation 1,184,000 2,379,000 150,000 5,200,000      
Restricted Stock Shares Authorized         900,000    
Stock Issued During Period, Shares, Restricted Stock Award, Gross   351,000          
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 1,200,000            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 13.81 $ 13.57 $ 13.57        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]              
Unvested at beginning of year, Number of Restricted Stock Awards (in shares) 277,000 351,000 0        
Unvested at beginning of year, Weighted Average Grant Date Fair Value (in dollars) $ 13.57 $ 13.57 $ 0.00 $ 13.57      
Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 23,000 0 351,000        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 17.28 $ 0.00 $ 13.57        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (75,000) (70,000) 0        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 14.04 $ 13.57 $ 0.00        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (13,000) (4,000) 0        
Outstanding (unvested) at end of year, Number of Restricted Stock Awards (in shares) 211,500 277,000 351,000        
Outstanding (unvested) at end of year, Weighted Average Grant Date Fair Value (in dollars) $ 13.81 $ 13.57 $ 13.57        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (in years)   1 year 9 months 22 days   4 years 5 months 15 days