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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)
 12 Months Ended
Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Components of Accumulated Other Comprehensive Loss
The components of accumulated other comprehensive loss were as follows (in thousands):
 
 
December 31,
 
2016
 
2015
Accumulated minimum pension liability adjustment
$
(5,942
)
 
$
(6,163
)
Accumulated net foreign currency translation adjustment
564

 
1,330

Total accumulated other comprehensive loss
$
(5,378
)
 
$
(4,833
)