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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2019
Income Tax Disclosure [Abstract]  
Reconciliation of Effective Income Taxes Rate
The effective tax rates for the three and six-month periods ended June 30, 2019 and 2018 are as follows:
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
June 30,
 
June 30,
 
2019
 
2018
 
2019
 
2018
Effective tax rate
25.1
%
 
37.7
%
 
22.7
%
 
30.2
%