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Income Taxes Income tax expense (benefit) (Tables)
3 Months Ended
Mar. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of components of income tax expense (benefit)
Income tax expense included in the Company’s accompanying Consolidated Statements of Operations were as follows (in thousands, except percentages):
 
Three months ended March 31,
 
2018
2017
Income tax expense (benefit)
$
1,489

$
(1,019
)
Effective tax rate
26.6
%
36.0
%