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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2019
Income Tax Disclosure [Abstract]  
Schedule of Reconciliation of the U.S. Federal Statutory Rate to Effective Tax Rate

A reconciliation of the U.S. federal statutory income tax rate to our effective income tax rate is as follows:
 
For the Three Months Ended 
 September 30,
 
For the Nine Months Ended 
 September 30,
 
2019
 
2018
 
2019
 
2018
U.S. federal statutory income tax rate
21.0
%
 
21.0
%
 
21.0
 %
 
21.0
%
State income taxes
3.3
%
 
2.5
%
 
2.9
 %
 
2.5
%
Excess tax benefits from stock-based compensation plans
%
 
%
 
-1.2
 %
 
%
Other
0.2
%
 
0.4
%
 
0.2
 %
 
0.3
%
Effective income tax rate
24.5
%
 
23.9
%
 
22.9
 %
 
23.8
%