Income Taxes	3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	8. Income Taxes The effective income tax rate was 19.0% and 14.2% for the three months ended March 31, 2021 and 2020, respectively. The difference between our federal statutory and effective income tax rates is principally due to excess tax benefit and the use of federal employment tax credits, offset by the inclusion of state taxes and non-deductible compensation. The excess tax benefit is a discrete item, related to the vesting of equity shares, which requires the Company to recognize the benefit fully in the period. An excess tax benefit results if the Company’s income tax deduction exceeds the cumulative costs of the award recognized on the Unaudited Condensed Consolidated Statements of Income.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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