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Accumulated Other Comprehensive Income
 12 Months Ended
Dec. 31, 2017
Accumulated Other Comprehensive Income [Abstract]  
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income

The following table summarizes the changes in accumulated balances of other comprehensive income, net of tax, for the years ended December 31, 2017 and 2016 (in thousands):
 
Unrealized Gains (Losses) on Investments
 
Foreign Currency Translation
 
Total
Balance as of January 1, 2016
$
2,449

 
$
(31,573
)
 
$
(29,124
)
     Other comprehensive income (loss) before reclassifications
744

 
(23,076
)
 
(22,332
)
     Amounts reclassified from accumulated other comprehensive income
(3,193
)
 
—

 
(3,193
)
Net current period other comprehensive loss
(2,449
)
 
(23,076
)
 
(25,525
)
Balance as of December 31, 2016
$
—

 
$
(54,649
)
 
$
(54,649
)
     Other comprehensive income before reclassifications
—

 
25,559

 
25,559

Net current period other comprehensive income
—

 
25,559

 
25,559

Balance as of December 31, 2017
$
—

 
$
(29,090
)
 
$
(29,090
)


The following table provides details about reclassifications out of accumulated other comprehensive income for the years ended December 31, 2017 and 2016 (in thousands):
Details about Accumulated Other Comprehensive Income Components
 
Amount Reclassified from Accumulated Other Comprehensive Income
 
Affected Line Item in the Statement of Income
 
 
Year Ended December 31, 2017
 
Year Ended December 31, 2016
 
 
 
 
 
 
 
 
 
Unrealized gain on available-for-sale investments
 
$
—

 
$
(5,149
)
 
Other (income) expense, net
 
 
—

 
(5,149
)
 
Income before income taxes

 
 
—

 
1,956

 
Income tax expense
 
 
—

 
(3,193
)
 
Net income
Total reclassifications for the period
 
$
—

 
$
(3,193
)
 
Net income