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Income Taxes - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Effective tax rate, percentage 33.30% 15.20%  
AMT tax credit refund $ 102,482,000    
Total amount of uncertain tax positions 31,516,000   $ 31,516,000
Unrecognized tax benefits that would impact effective tax rate 31,516,000   31,516,000
Accrued interest liability $ 0   $ 0