Annual report pursuant to section 13 and 15(d)

Shareholders' Equity (Repurchase Program and Warrants) (Details)

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Shareholders' Equity (Repurchase Program and Warrants) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 1 Months Ended 12 Months Ended 27 Months Ended
Aug. 15, 2013
Nov. 30, 2011
Dec. 31, 2013
Dec. 31, 2013
Oct. 31, 2011
Mar. 31, 2007
Equity [Abstract]            
Shares authorized for repurchase           2,500,000
Shares authorized for additional repurchase         5,000,000  
Shares repurchased, shares 3,000,000 10,713,332 767,790 3,749,757    
Shares repurchased, value $ 5,010   $ 1,436 $ 6,089    
Cost per share $ 1.67          
Stock repurchased during period, amount per share   $ 1.68        
Warrant exercise     1,002,065      
Shares tendered in payment of exercise price     224,601      
Intrinsic value of warrant exercised     $ 2,526