XML 59 R38.htm IDEA: XBRL DOCUMENT v3.3.0.814
Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 46 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2015
Dec. 14, 2011
Jul. 11, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Payments for Repurchase of Common Stock     $ 30,858          
Annual Vesting Percentage     20.00%          
Weighted Average Exercise Price of Stock Awards $ 18.04 $ 14.16 $ 16.78 $ 13.81 $ 18.13 $ 18.13 $ 13.57  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition         1 year 2 months      
Restricted Stock Shares Authorized               900,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     442,000          
Stock-based Compensation $ 384 $ 143 $ 959 $ 688        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized           $ 700    
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) 104,600 147,400 183,100 211,600        
Unvested at beginning of year, Weighted Average Grant Date Fair Value (in dollars) $ 18.04 $ 14.16 $ 16.78 $ 13.81        
Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 11,200 2,000 15,400 10,500        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 19.94 $ 22.19 $ 21.07 $ 22.04        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (13,200) (1,000) (95,900) (73,700)        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 18.97 $ 0 $ 16.25 $ 0        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period 0 (4,200) 0 (4,200)        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 0 $ 13.57 $ 0.00 $ 13.57        
Outstanding (unvested) at end of year, Number of Restricted Stock Awards (in shares) 102,600 144,200 102,600 144,200 102,600      
Outstanding (unvested) at end of year, Weighted Average Grant Date Fair Value (in dollars) $ 18.13 $ 14.21 $ 18.13 $ 14.21 $ 18.13      
Maximum [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     $ 27.47