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INCOME TAXES
3 Months Ended
Mar. 31, 2018
Income Tax Disclosure [Abstract]  
INCOME TAXES
INCOME TAXES

The Company's effective income tax rate for the three months ended March 31, 2018 and 2017 was as follows:
 
 
Three Months Ended 
 March 31,
 
 
2018
 
2017
Income tax expense
 
$
3,079

 
$
4,344

Income before income tax expense
 
$
15,899

 
$
14,420

Effective tax rate(1)
 
19.4
%
 
30.1
%

(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.