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Accumulated Other Comprehensive Loss
 3 Months Ended
Mar. 31, 2018
Equity [Abstract]  
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Loss
The following table summarizes the changes in accumulated balances of other comprehensive loss (in thousands):
 
Three Months Ended
 
March 31,
 
2018
 
2017
Beginning balance
$
(3,597
)
 
$
(3,787
)
Other comprehensive income (loss) due to foreign currency translation, net of tax
(183
)
 
(33
)
Ending balance
$
(3,780
)
 
$
(3,820
)

There were no amounts reclassified from accumulated other comprehensive loss for the three months ended March 31, 2018 and 2017.