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Income taxes
9 Months Ended
Sep. 30, 2022
Income Tax Disclosure [Abstract]  
Income taxes Income taxesThe effective income tax rate for the three and nine months ended September 30, 2022 was 35.5% and 36.4% respectively, compared with 29.8% and 27.6% for the three and nine months ended September 30, 2021 and reflects the Company's annual estimate of the statutory federal and state tax rates adjusted for certain discrete items. The effective tax rate for the third quarter of 2022 was negatively impacted by unfavorable permanent items.