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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]        
Income tax expense (benefit) $ 1,017 $ (3,371) $ (13,757) $ 6,749
Carryback claim for CARES Act $ (16,600)      
Valuation allowance increase (decrease)   $ 5,900   $ 5,900