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INCOME TAXES
6 Months Ended
Jun. 30, 2018
Income Tax Disclosure [Abstract]  
INCOME TAXES
INCOME TAXES

The Company's effective income tax rate for the periods indicated:
 
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
 
2018
 
2017
 
2018
 
2017
Income tax expense
 
$
2,887

 
$
4,721

 
$
5,966

 
$
9,065

Income before income tax expense
 
$
15,104

 
$
14,955

 
$
31,003

 
$
29,375

Effective tax rate(1)
 
19.1
%
 
31.6
%
 
19.2
%
 
30.9
%

(1)
On December 22, 2017, the Tax Act was enacted, reducing the U.S. federal corporate income tax rate from 35.0% to 21.0%, effective January 1, 2018.