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Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2012
Employee Benefit Plans [Abstract]  
Reconciliation of Change in Benefit Obligation
Change in Benefit Obligation                
Benefit obligation at beginning of year   $ 77,230     $ 68,793  
Service cost     -       -  
Interest cost     3,574       3,545  
Actuarial loss     7,745       7,662  
Benefits paid     (3,033 )     (2,770 )
Benefit obligation at end of year     85,516       77,230  
     
Schedule of Changes in Plan Assets
Change in Plan Assets                
Fair value of plan assets at beginning of year     58,148       59,423  
Actual return on plan assets     7,619       (661 )
Employer contributions     3,156       2,156  
Benefits paid     (3,033 )     (2,770 )
Fair value of plan assets at end of year     65,890       58,148  
 
Schedule of Funded Status
Funded Status                
Funded status     (19,626 )     (19,082 )
Unrecognized net actuarial loss     47,016       43,719  
Unrecognized prior service cost     -       -  
Net amount recognized   $ 27,390     $ 24,637  

 
Schedule of Weighted Average Assumptions
Weighted Average Assumptions for the years ended December 31,   2012     2011  
Discount rate     4.75 %     5.25 %
Expected long-term return on plan assets     8.00 %     8.00 %
Rate of compensation increases     N/A       N/A  

 
Schedule of Components of Net Periodic Pension Cost
Components of Net Periodic Pension Cost   2012     2011  
Service cost   $ -     $ -  
Interest cost     3,574       3,545  
Expected return on assets     (4,650 )     (4,738 )
Recognized gains     1,481       1,034  
Prior service cost recognized     -       -  
Net periodic pension cost   $ 405     $ (159 )

 
Schedule of Amounts Recognized on the Balance Sheet
Amounts Recognized on the Balance Sheet   2012     2011  
Accrued benefit liability   $ (19,626 )   $ (19,082 )
Accumulated other comprehensive loss, net of tax     29,620       27,543  
Deferred tax asset     17,396       16,176  
    $ 27,390     $ 24,637  

 
Schedule of Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost
Weighted Average Assumptions as of December 31,   2012     2011  
Discount rate     4.00 %     4.75 %
Rate of compensation increases     N/A       N/A  

 
Schedule of Pension Plans with an Accumulated Benefit Obligation in Excess of Plan Assets
Information for Pension Plans with an Accumulated Benefit
Obligation in excess of plan assets		   2012     2011  
Projected benefit obligation   $ 85,516     $ 77,230  
Accumulated benefit obligation   $ 85,516     $ 77,230  
Fair value of plan assets   $ 65,890     $ 58,148  

 
Schedule of Pension Weighted Average Asset Allocations
Pension Weighted Average Asset Allocations as of December 31,   2012     2011  
Debt securities     25 %     27 %
Equity securities     69 %     67 %
Real estate     5 %     5 %
Money market funds     1 %     1 %
      100 %     100 %

 
Schedule of Defined Benefit Plans' Assets at Fair Value

 

December 31,   2012     2011  
             
Pooled separate accounts:                
Equity securities:                
U.S. small cap equity funds   $ 7,637     $ 6,742  
U.S. mid-cap equity funds     18,626       16,037  
U.S. large-cap equity funds     5,848       5,236  
International equity funds     13,083       11,229  
Domestic real estate funds     3,640       3,136  
Fixed income securities:                
Corporate bond funds     16,510       15,459  
Money market fund     546       309  
    $ 65,890     $ 58,148