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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2015
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 rate to our effective tax rate is as follows:
 
For the Three Months Ended 
 September 30,
 
For the Nine Months Ended 
 September 30,
 
2015
 
2014
 
2015
 
2014
U.S. federal statutory rate
35.0
%
 
35.0
 %
 
35.0
%
 
35.0
%
    State income taxes
1.8
%
 
0.9
 %
 
1.8
%
 
1.5
%
    Other
0.4
%
 
-0.1
 %
 
0.2
%
 
0.1
%
Effective tax rate
37.2
%
 
35.8
 %
 
37.0
%
 
36.6
%