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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Income Tax Disclosure [Abstract]          
Income tax expense $ 1,646 $ 5,374 $ 13,717 $ 30,099  
Effective income tax rate     29.10% 27.30%  
Unrecognized tax benefits $ 300   $ 300   $ 300
Cash payments for income taxes     $ 21,800 $ 32,400