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Accumulated Other Comprehensive Income
 9 Months Ended
Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Comprehensive Income
Accumulated Other Comprehensive Loss

The following table summarizes the changes in accumulated other comprehensive loss, which is reported as a component of stockholders' equity, for the nine months ended September 30, 2013 (in thousands):

 
Foreign Currency Translation Adjustments
 
Net Unrealized Gain on Investments
 
Total
Balance as of January 1, 2013
$
(2,354
)
 
$
714

 
$
(1,640
)
Other comprehensive (loss) income
(4,810
)
 
1,016

 
(3,794
)
Balance as of September 30, 2013
$
(7,164
)
 
$
1,730

 
$
(5,434
)


The tax effect on accumulated unrealized gain on investments was $1.0 million and $0.4 million as of September 30, 2013 and December 31, 2012, respectively. Amounts reclassified from accumulated other comprehensive loss to net income were insignificant for the nine months ended September 30, 2013.