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Defined Benefit Plan
6 Months Ended
Jun. 30, 2012
Defined Benefit Plan [Abstract]  
Defined Benefit Plan
Note 7: Defined Benefit Plan

Components of Net Periodic Benefit Cost

   
Pension Benefits
 
   
Six Months Ended June 30,
 
   
2012
  
2011
 
Service cost
 $234  $218 
Interest cost
  370   352 
Expected return on plan assets
  (538 )  (406 )
Amortization of prior service cost
  (50 )  (50 )
Recognized net actuarial loss
  254   146 
Net periodic benefit cost
 $270  $260 

2012 Plan Year Employer Contribution

Without considering the prefunding balance, NBI's minimum required contribution to the National Bankshares, Inc. Retirement Income Plan (the "Plan") is $733. Considering the prefunding balance, the 2012 minimum required contribution is $0. The Company elected to contribute $366 to the Plan in the quarter ended June 30, 2012.