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Income Taxes
9 Months Ended
Sep. 30, 2020
Income Tax Disclosure [Abstract]  
Income Tax Disclosure [Text Block] Income TaxesThe Company files a consolidated income tax return using the accrual method of accounting. The effective tax rate was 8.8% for the nine months ended September 30, 2020 compared to an effective tax rate of 16.6% for the nine months ended September 30, 2019 due primarily to a benefit from net operating losses related to prior acquisitions of $1.0 million from a provision in the CARES Act.