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Other (Expense) Income, Net
 6 Months Ended
Jun. 30, 2016
Other Income and Expenses [Abstract]  
Other (Expense) Income, Net
Other (Expense) Income, Net
The components of other (expense) income, net are as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
Gain on remeasurement of previously held equity interest
$
—

 
$
2,577

 
$
—

 
$
14,199

Foreign currency losses
(15
)
 
(185
)
 
(1,704
)
 
(433
)
Secondary offering underwriting fees
—

 
—

 
(5,900
)
 
—

Loss on sale of receivables
(240
)
 
(281
)
 
(467
)
 
(578
)
Other (expense) income, net
$
(255
)
 
$
2,111

 
$
(8,071
)
 
$
13,188