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Postretirement Benefits Other than Pensions (Tables)
12 Months Ended
Dec. 31, 2015
Text Block [Abstract]  
Change in Benefit Obligation of the Postretirement Plans to the Accrued Postretirement Liability

The following table reconciles the change in benefit obligation of the postretirement plans to the accrued postretirement liability as reflected in other liabilities in the accompanying consolidated balance sheets at December 31 (amounts in thousands):

 

     2015      2014  

Benefit obligation at beginning of year

   $ 6,692       $ 5,848   

Interest cost

     127         221   

Actuarial (gain) loss

     (2,836      939   

Benefits paid

     (424      (316
  

 

 

    

 

 

 

Benefit obligation at end of year

   $ 3,559       $ 6,692