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Income Taxes (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Income tax paid   $ 2.7
Interest paid   $ 0.1
Reduce in income tax reserve provision $ 0.5  
Interest expense liability $ 0.2