Income Taxes	3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesThe Company’s effective tax rates for the three months ended March 31, 2020 and 2021, were 0% and 1.96%. The change in the tax rate for the three months ended March 31, 2021 was due to an increase in state tax expense after utilizing taxable losses in the various jurisdictions. The effective tax rate differs from the U.S. statutory tax rate primarily due to the valuation allowance on the Company’s deferred tax assets as it is more likely than not that some or all of these deferred tax assets will not be realized.

- 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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