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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2012
Income Taxes [Abstract]  
Reconciliation of income tax expense
                                 
    2012     2011  
    (in thousands)  

Computed income tax expense at statutory federal income tax rate of 35%

  $ 3,079       35.0   $ 7,839       35.0

State income taxes, net of federal provision

    158       1.8     563       2.5

Change in valuation allowance

    33       0.4     —         0.0

Nontaxable income items

    (373     (4.2 %)      —         0.0

Other, net

    (117     (1.4 %)      86       0.4
   

 

 

   

 

 

   

 

 

   

 

 

 

Income tax expense

  $ 2,780       31.6   $ 8,488       37.9