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Income Taxes
3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
Income Taxes Income TaxesOur effective income tax rate was 25.2% and 20.6% for the three months ended March 31, 2021 and 2020, respectively. The increase from the first quarter of 2020 was primarily due to the decrease in the current quarter valuation allowance release and
decrease in current quarter reversals of unrecognized tax benefits.
The total amount of unrecognized tax benefits as of March 31, 2021 was $14.3 million, of which $13.8 million would affect our effective tax rate if recognized. Additionally, the balance of unrecognized tax benefits as of March 31, 2021 also included $0.5 million of tax benefits that, if recognized, would result in adjustments to other tax accounts, primarily deferred taxes.
We recognize interest and penalties related to unrecognized tax benefits through income tax expense. As of March 31, 2021, we had $1.3 million accrued for the payment of interest.
We are subject to taxation in the U.S. and various state and foreign jurisdictions. Our tax years from 2016 through 2020 are subject to examination by the tax authorities. With few exceptions, we are no longer subject to U.S. federal, state, local and foreign examinations by tax authorities for the years before 2016.