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Accumulated Other Comprehensive Loss (Tables)
 3 Months Ended
Mar. 31, 2017
Equity [Abstract]  
Schedule of Changes in Accumulated Other Comprehensive Income (Loss)
The following table summarizes the changes in the accumulated balance of other comprehensive income (loss), net of tax, for the three months ended March 31, 2017:

 
Foreign currency
 
Change in unrealized gains on available-for-sale securities
 
Total
 
(in thousands)
Balance as of December 31, 2016
$
(47,966
)
 
$
(599
)
 
$
(48,565
)
Other comprehensive income before reclassifications
2,579

 
127

 
2,706

Net decrease in other comprehensive loss
2,579

 
127

 
2,706

Balance as of March 31, 2017
$
(45,387
)
 
$
(472
)
 
$
(45,859
)