Income Taxes	6 Months Ended
Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income Taxes	14. Income TaxesOur effective tax rate for the three and six months ended June 30, 2020 was 21.8% and 8.5%, respectively, compared to 14.1% and 14.0% for the three and six months ended June 30, 2019, respectively. The effective tax rate in each period was favorably impacted by the recognition of an income tax benefit related to excess tax benefits from stock option exercises totaling $6,854 and $62,509 for the three and six months ended June 30, 2020, respectively, and $30,727 and $59,205 for the three and six months ended June 30, 2019, respectively.

- 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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