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Income Taxes - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Apr. 30, 2021
Dec. 31, 2020
Tax Credit Carryforward [Line Items]            
Income tax benefit $ 0 $ 0 $ 0 $ 3,695,000    
Income tax receivable $ 0   $ 0     $ 1,765,000
CARES Act            
Tax Credit Carryforward [Line Items]            
Income tax receivable         $ 1,800,000