Income Taxes	3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	4. INCOME TAXES Income tax expense or benefit is recognized based on the Company’s estimated annual effective tax rate which is based upon the tax rate expected for the full calendar year applied to the pretax income or loss of the interim period. The Company’s consolidated effective tax rate for the three months ended March 31, 2021 and 2020 was 10.3% and 26.3%, respectively, and differs from the effective statutory federal income tax rate of 21.0% primarily due to state income taxes, valuation allowance adjustments on federal and state net operating loss carryforwards, a valuation adjustment on certain federal tax credits and charitable contributions, changes in state tax rates, and other permanent items including equity-based compensation. Due to the uncertainty of realizing the benefit from deferred tax assets, tax positions are reviewed at least quarterly by assessing future expected taxable income from all sources. Realization of deferred tax assets, primarily arising from net operating loss carryforwards and charitable contribution carryforwards, is dependent upon generating sufficient taxable income prior to expiration of the carryforwards, which may include the reversal of deferred tax liability components. Based on its analysis, the Company believes that some of its deferred tax assets may not be realized. Therefore, as of March 31, 2021 and December 31, 2020, respectively, the Company recorded valuation allowances of approximately $24.5 million and $39.5 million for federal net operating loss carryforwards, approximately $12.9 million and $15.0 million, net of federal tax benefit, for certain state net operating loss carryforwards, approximately $7.3 million and $7.1 million for federal tax credits, and approximately $4.6 million and $4.0 million for charitable contributions. The Company has determined that there are no positions currently taken that would rise to a level requiring an amount to be recorded or disclosed as an unrecognized tax benefit. If such positions do arise, it is the Company’s intent that any interest or penalty amount related to such positions will be recorded as a component of the income tax provision (benefit) in the applicable period. The computation of the estimated annual effective tax rate at each interim period requires certain estimates and assumptions including, but not limited to, the forecasted pre-tax income or loss for the year, projections of the proportion of income and/or loss earned and taxed in respective jurisdictions, permanent and temporary differences, and the likelihood of the realizability of deferred tax assets generated in the current year. The volatile global economic conditions resulting from the COVID-19 pandemic, the impacts of which are difficult to predict, may cause fluctuations in the Company’s forecasted pre-tax income or loss for the year, which could create volatility in its estimated annual effective tax rate. The estimates used to compute the provision or benefit for income taxes may change as new events occur, additional information is obtained or as the Company’s tax environment changes. To the extent that the estimated annual effective tax rate changes, the effect of the change on prior interim periods is included in the income tax provision in the period in which the change in estimate occurs. The Company’s valuation allowances, in part, also rely on estimates and assumptions related to future financial performance. Given the macroeconomic environment related to the COVID-19 pandemic and the uncertainties regarding the related impact on financial performance, the Company’s valuation allowances may need to be further adjusted in the future.

Income Taxes

3 Months Ended

Mar. 31, 2021

4. INCOME TAXES

Income tax expense or benefit is recognized based on the Company’s estimated annual effective tax rate which is based upon the tax rate expected for the full calendar year applied to the pretax income or loss of the interim period. The Company’s consolidated effective tax rate for the three months ended March 31, 2021 and 2020 was 10.3% and 26.3%, respectively, and differs from the effective statutory federal income tax rate of 21.0% primarily due to state income taxes, valuation allowance adjustments on federal and state net operating loss carryforwards, a valuation adjustment on certain federal tax credits and charitable contributions, changes in state tax rates, and other permanent items including equity-based compensation.

Due to the uncertainty of realizing the benefit from deferred tax assets, tax positions are reviewed at least quarterly by assessing future expected taxable income from all sources. Realization of deferred tax assets, primarily arising from net operating loss carryforwards and charitable contribution carryforwards, is dependent upon generating sufficient taxable income prior to expiration of the carryforwards, which may include the reversal of deferred tax liability components. Based on its analysis, the Company believes that some of its deferred tax assets may not be realized. Therefore, as of March 31, 2021 and December 31, 2020, respectively, the Company recorded valuation allowances of approximately $24.5 million and $39.5 million for federal net operating loss carryforwards, approximately $12.9 million and $15.0 million, net of federal tax benefit, for certain state net operating loss carryforwards, approximately $7.3 million and $7.1 million for federal tax credits, and approximately $4.6 million and $4.0 million for charitable contributions.

The Company has determined that there are no positions currently taken that would rise to a level requiring an amount to be recorded or disclosed as an unrecognized tax benefit. If such positions do arise, it is the Company’s intent that any interest or penalty amount related to such positions will be recorded as a component of the income tax provision (benefit) in the applicable period.

The computation of the estimated annual effective tax rate at each interim period requires certain estimates and assumptions including, but not limited to, the forecasted pre-tax income or loss for the year, projections of the proportion of income and/or loss earned and taxed in respective jurisdictions, permanent and temporary differences, and the likelihood of the realizability of deferred tax assets generated in the current year. The volatile global economic conditions resulting from the COVID-19 pandemic, the impacts of which are difficult to predict, may cause fluctuations in the Company’s forecasted pre-tax income or loss for the year, which could create volatility in its estimated annual effective tax rate. The estimates used to compute the provision or benefit for income taxes may change as new events occur, additional information is obtained or as the Company’s tax environment changes. To the extent that the estimated annual effective tax rate changes, the effect of the change on prior interim periods is included in the income tax provision in the period in which the change in estimate occurs. The Company’s valuation allowances, in part, also rely on estimates and assumptions related to future financial performance. Given the macroeconomic environment related to the COVID-19 pandemic and the uncertainties regarding the related impact on financial performance, the Company’s valuation allowances may need to be further adjusted in the future.

- 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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