Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation, Common Stock Repurchases and Dividends (Narrative) (Details)

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Stock-Based Compensation, Common Stock Repurchases and Dividends (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2013
Apr. 30, 2008
Stock Options
Mar. 31, 2008
Stock Options
Dec. 31, 2013
Stock Options
Dec. 31, 2012
Stock Options
Dec. 31, 2011
Stock Options
Dec. 31, 2013
Restricted Stock
Sep. 30, 2013
2007 Stock Incentive Plan
Stock Options
Dec. 31, 2013
2007 Stock Incentive Plan
Stock Options
Sep. 30, 2013
Second Restated 2007 Stock Incentive Plan
Stock Options
Sep. 19, 2013
Second Restated 2007 Stock Incentive Plan
Stock Options
Dec. 31, 2013
Director
2007 Stock Incentive Plan
Stock Options
Jan. 07, 2013
Newly Hired Executive Officers
Non-Qualified Options
Nov. 30, 2012
Newly Hired Executive Officers
Non-Qualified Options
Apr. 30, 2009
Newly Hired Executive Officers
Non-Qualified Options
Dec. 31, 2013
Newly Hired Executive Officers
Non-Qualified Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Total shares available for future grant                 204,109              
Award vesting period                 4 years     6 months        
Granted non-qualified options to purchase shares of common stock                         50,000 100,000 200,000  
Termination period from the date of grant   7 years 10 years           7 years     10 years       7 years
Outstanding shares exchanged (in shares)               182,000   29,000            
Weighted-average exercise price               $ 13.50     $ 11.87          
Total stock option compensation expense not yet recognized       $ 2,474     $ 954                  
Net tax impact of share-based compensation reduction in additional paid-in capital       $ 13 $ 214 $ 19                    
Weighted-average period for recognition of cost not yet recognized       3 years     2 years 2 months 12 days                  
Common stock repurchase shares authorized 3,500,000