Income Taxes	3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	14. Income TaxesOur effective tax rate for the three months ended March 31, 2021 was an expense of 20.3% compared to a benefit of 8.9% for the three months ended March 31, 2020. The increase in the effective tax rate quarter over quarter is primarily attributable to recognizing a lower income tax benefit related to excess tax benefits from stock option exercises in the first quarter of 2021. For the three months ended March 31, 2021 and March 31, 2020, we recognized $17,377 and $55,655, respectively, in such income tax benefits.

- 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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