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Deferred Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2016
Postemployment Benefits [Abstract]  
Summary of Changes in Deferred Compensation Plan Liability

A summary of changes in the deferred compensation plan liability follows:

 

     2016     2015     2014  

Balance, beginning of year

   $ 1,226     $ 1,087     $ 1,100  

Deferrals, dividends, and changes in fair value recorded as an expense

     936       209       36  

Deferred compensation payments

     (82     (70     (49
  

 

 

   

 

 

   

 

 

 

Balance, end of year

   $ 2,080     $ 1,226     $ 1,087