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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Loss
The components of AOCI, on an after-tax basis where applicable, were as follows (in thousands):
 
December 31,
 
2018
 
2017
Foreign currency translation adjustments
$
(779
)
 
$
4,310

Unrealized foreign exchange loss on intercompany long-term loans, net of taxes
(888
)
 
(1,177
)
Actuarial gain
451

 
249

   Total accumulated other comprehensive income (loss)
$
(1,216
)
 
$
3,382