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Accumulated Other Comprehensive Loss (Tables)
 9 Months Ended
Sep. 30, 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 and nine months ended September 30, 2017:

 
Foreign currency
 
Change in unrealized gains on available-for-sale securities
 
Total
 
(in thousands)
Balance as of June 30, 2017
$
(31,040
)
 
$
(328
)
 
$
(31,368
)
Other comprehensive income before reclassifications
5,678

 
328

 
6,006

Net decrease in other comprehensive loss
5,678

 
328

 
6,006

Balances as of September 30, 2017
$
(25,362
)
 
$
—

 
$
(25,362
)


 
Foreign currency
 
Change in unrealized gains on available-for-sale securities
 
Total
 
(in thousands)
Balances as of December 31, 2016
$
(47,966
)
 
$
(599
)
 
$
(48,565
)
Other comprehensive income before reclassifications
22,604

 
599

 
23,203

Net decrease in other comprehensive loss
22,604

 
599

 
23,203

Balances as of September 30, 2017
$
(25,362
)
 
$
—

 
$
(25,362
)