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Income Taxes
 6 Months Ended
Jun. 30, 2022
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 $2,768,000 and $3,590,000 for the three months ended June 30, 2022 and 2021. The overall effective tax rate increased to 32.2% for the three months ended June 30, 2022 compared with 23.3% for the 2021 period primarily due to current year losses in certain international operations and a non-recurring discrete tax benefit in 2021.

The provision for income taxes on consolidated income before income taxes totaled a provision of $5,194,000 and $6,061,000 for the six months ended June 30, 2022 and 2021. The overall effective tax rate increased to 32.1% for the six months ended June 30, 2022 compared with 25.4% for the 2021 period primarily due to current year losses in certain international operations and a non-recurring discrete tax benefit in 2021.