Pension Plan (Tables)
 3 Months Ended
Mar. 31, 2018
Retirement Benefits [Abstract]  
Components of Net Periodic Pension Cost

The following table presents the net periodic pension cost for WesBanco’s Defined Benefit Pension Plan (the “Plan”) and the related components:

 

     For the Three Months Ended
March 31,		  

(unaudited, in thousands)

        2018              2017      

Service cost – benefits earned during year

    $ 699      $ 636  

Interest cost on projected benefit obligation

      1,114        1,084  

Expected return on plan assets

      (2,204 )       (1,886 ) 

Amortization of prior service cost

      6        6  

Amortization of net loss

      753        794  
  

 

 

     

 

 

  

Net periodic pension cost

    $ 368      $ 634