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Income Taxes
 9 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
Income Taxes

5. Income Taxes

The Company's consolidated effective income tax rate may change periodically due to changes in enacted tax rates, fluctuations in the mix of income earned from the Company's various domestic and international operations, which are subject to income taxes at different rates, the Company's ability to utilize net operating loss and tax credit carryforwards, and amounts related to uncertain income tax positions. The provision for income taxes on consolidated income before income taxes totaled a provision of $4,866,000 and $11,729,000 for the three months ended September 30, 2021 and 2020, respectively.

The provision for income taxes on consolidated income before income taxes totaled a provision of $10,927,000 and $9,554,000 for the nine months ended September 30, 2021 and 2020. The overall effective tax rate decreased to 27.4% for the nine months ended September 30, 2021 compared with 35.1% for the 2020 period primarily due to the impact of the goodwill impairment and LWI disposition in the prior year.