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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Income Taxes [Abstract]      
Income tax expense $ 32,759 $ 2  
Income (Loss) before taxes $ 332,704 $ (5,606)  
Effective tax rate 9.90% 0.04%  
Reversal of valuation allowance reserves $ (38,112)    
Deferred tax assets $ 8,722   $ 0