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Income Taxes
3 Months Ended
Mar. 31, 2021
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 
March 31,
 20212020
U.S. federal statutory income tax rate21.0 %21.0 %
State income taxes2.8 %2.7 %
Excess tax benefits from stock-based compensation plans-0.4 %2.3 %
Other0.1 %-0.3 %
Effective income tax rate23.5 %25.7 %