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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Tax Disclosure [Abstract]          
Effective income tax rate (percent)     12.30% 4.50%  
Income tax provision (benefit) $ 9,296 $ (11,992) $ 7,707 $ (5,254)  
Pretax book income (loss) 38,658 $ (146,771) 62,672 $ (117,705)  
Gross unrecognized tax benefit 1,900   1,900   $ 2,200
Expected change in unrecognized tax benefits 200   200    
Accrued interest on income taxes 600   600   900
Accrued penalties on income taxes, less than $ 100   $ 100   $ 100