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Employee Benefit Plans, Schedule of Net Periodic Benefit Cost Not Yet Recognized (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Pension and Other Postretirement Benefit Expense $ 309 $ 289 $ 307
Unamortized net actuarial loss 289 (186)  
Actuarial (gain) loss (475) 86 62
Unrecognized transition obligation 0 (5)  
Unrecognized transition obligation 0 5 34
Total 289 (191)  
Deferred tax benefit at 35% (101) 68  
Deferred Tax Assets, Net (9,937) (6,110)  
Net unrecognized gain (loss) on postretirement benefit costs 188 (123)  
Accumulated other comprehensive income (loss)
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Actuarial (gain) loss 12    
Unrecognized transition obligation 0    
Total 12    
Deferred Tax Assets, Net (4)    
Net unrecognized gain (loss) on postretirement benefit costs $ 8