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Income Taxes
9 Months Ended
Sep. 30, 2016
Income Tax Disclosure [Abstract]  
Income Taxes
INCOME TAXES

The table below summarizes the tax expense and effective tax rates associated with each period:

 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
 
2016
 
2015
 
2016
 
2015
 
 
(in thousands)
 
Income (loss) before income taxes
$
157

 
$
(23,136
)
 
$
31,854

 
$
(9,278
)
 
Income tax expense
$
1,690

 
$
888

 
$
7,704

 
$
3,745

 
Effective tax rate
1,076.4

%
(3.8
)
%
24.2

%
(40.4
)
%


The increase in the effective tax rate during the three and nine months ended September 30, 2016, compared to the same periods in 2015, is primarily due to operating losses in certain jurisdictions where the Company is unable to record tax benefits because it has determined that it is not more likely than not that such tax benefits will be realized, as well as an increase in profitability in certain jurisdictions for which tax expense is recorded. The Company’s effective income tax rate, for each period presented, also differs from the federal U.S. statutory rate primarily due to differences in income tax rates between U.S. and foreign jurisdictions. There were no significant or unusual discrete tax items during the quarter. The Company had unrecognized tax benefits of $5.3 million and $5.0 million at September 30, 2016 and December 31, 2015, respectively, and the Company does not expect any significant changes in tax benefits in the next twelve months.