Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plan (Schedule Of Valuation Assumptions Used In Computing Fair Value Of Stock-Based Awards) (Details)

v2.4.0.8
Stock-Based Compensation Plan (Schedule Of Valuation Assumptions Used In Computing Fair Value Of Stock-Based Awards) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2011
Dec. 31, 2011
Stock Options
Dec. 31, 2011
Stock Options
Minimum [Member]
Dec. 31, 2011
Stock Options
Maximum [Member]
Dec. 31, 2013
Stock Option One [Member]
Dec. 31, 2012
Stock Option One [Member]
Dec. 31, 2013
Stock Option One [Member]
Minimum [Member]
Dec. 31, 2012
Stock Option One [Member]
Minimum [Member]
Dec. 31, 2013
Stock Option One [Member]
Maximum [Member]
Dec. 31, 2012
Stock Option One [Member]
Maximum [Member]
Dec. 31, 2013
Stock Option Two [Member]
Dec. 31, 2012
Stock Option Two [Member]
Dec. 31, 2013
Stock Option Two [Member]
Minimum [Member]
Dec. 31, 2012
Stock Option Two [Member]
Minimum [Member]
Dec. 31, 2013
Stock Option Two [Member]
Maximum [Member]
Dec. 31, 2012
Stock Option Two [Member]
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Options granted 628   233     143 270         485 500        
Vesting period       1 year 5 years     1 year 1 year 5 years 5 years       3 years   6 years
Grant price   $ 7.34   $ 6.22 $ 8.86     $ 8.02 $ 7.64 $ 13.38 $ 9.89     $ 10.40 $ 13.00 $ 14.71 $ 16.00
Dividend yield   0.00% 0.00%     0.00% 0.00%         0.00% 0.00%        
Expected volatility, minimum       55.80%       52.80% 53.30%         51.60% 50.30%    
Expected volatility, maximum         59.60%         55.20% 59.20%         53.90% 58.60%
Risk-free interest rate, minimum       1.41%       1.04% 0.71%         1.36% 0.39%    
Risk-free interest rate, maximum         2.92%         2.45% 1.44%         1.62% 1.04%
Expected life (years)   1 year 10 months 24 days   5 years 3 months 22 days 6 years 11 months 12 days     5 years 3 months 22 days 5 years 3 months 22 days 7 years 29 days 7 years 29 days 5 years [1]     3 years 3 months   6 years 3 months
Discount for post-vesting restrictions     0.00% [2]     0.00% [2] 0.00% [2]           0.00% [2] 11.50%   35.00% [2]  
Weighted average fair value       $ 3.65 $ 5.04     $ 4.23 $ 4.40 $ 7.53 $ 5.34     $ 1.59 $ 2.64 $ 5.25 $ 3.94
[1] The Company considered the applicable employee groups as well as the anticipated exercise behavior over the contractual term of the award in developing an estimate of the expected term of these options.
[2] Because options with post-vesting restrictions create a lack of marketability, the Company discounted the market price used in the Black-Scholes option-pricing model. The Company utilized the Finnerty and Forward Sale models to calculate the discount.