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Income Taxes - Reconciliation of Effective Tax Rate (Details) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] |  |
Statutory Federal rate | 21.00% | 21.00%
Increase (decrease) resulting from: |  |
Change in valuation allowance - current period activity | (2.20%) | (4.50%)
Change in valuation allowance - reversal | 0.00% | (13.60%)
Capital loss | 0.00% | 13.60%
Stock compensation | (2.00%) | (11.50%)
Compensation deduction limitation | 1.50% | 10.10%
State and local taxes, net | 3.80% | 4.50%
Foreign income inclusion | 0.00% | 3.10%
Meals & entertainment | 0.60% | 1.80%
Change in uncertain tax positions | 4.60% | (1.00%)
Provision to return differences | (0.10%) | 0.20%
Other items, net | 0.10% | 1.70%
Provision for income taxes | 27.30% | 25.40%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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