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Income Taxes
3 Months Ended
Mar. 31, 2024
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
In calculating the provision for income taxes, the Company uses an estimate of the annual effective tax rate based upon the facts and circumstances at each interim period. On a quarterly basis, the estimated annual effective tax rate is adjusted, as appropriate, based upon changes in facts and circumstances, if any, compared to those forecasted at the beginning of the fiscal year and at each interim period thereafter.

The provision for income taxes reflected U.S. federal, state and local taxes at an estimated effective tax rate of 18.9% and 20.1% for the three months ended March 31, 2024 and 2023, respectively. The lower estimated effective tax rate for the three months ended March 31, 2024 was primarily due to excess tax benefits associated with stock-based compensation and the change in valuation allowances in the current year related to the tax effects of unrealized gains on certain Company investments.