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Accumulated Other Comprehensive Income (loss) (Tables)
 12 Months Ended
Dec. 31, 2018
Accumulated Other Comprehensive Income (loss) [Abstract]  
Accumulated Other Comprehensive Income (Loss)
The following summarizes the changes in the balance and the reclassifications out of accumulated other comprehensive income (loss) on our Consolidated Balance Sheets to the Consolidated Statements of Comprehensive Income (amounts in thousands):

  
Year Ended December 31,
 
  
2018
  
2017
  
2016
 
Beginning balance
 
$
(2,144
)
 
$
(1,830
)
 
$
(1,938
)
Other comprehensive income (loss)
            
Defined benefit pension plan:
            
Net gain (loss) during year
  
769
   
(509
)
  
72
 
Amortization of net loss(1)
  
136
   
90
   
102
 
   
905
   
(419
)
  
174
 
Tax expense (benefit)
  
226
   
(105
)
  
66
 
Total other comprehensive income (loss)
  
679
   
(314
)
  
108
 
Ending balance
 
$
(1,465
)
 
$
(2,144
)
 
$
(1,830
)

(1)
These amounts are included in the computation of net periodic pension costs and were reclassified to selling, general and administrative costs.