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Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Effective Income Tax Rates (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Accounting Policies [Abstract]        
Effective Income Tax Rate 0.00% 10.30% 25.10% 14.70%
Provision (Benefit) for Income Taxes $ 9,683 $ 10,646 $ 19,370 $ 21,199
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest $ 2,570 $ 102,993 $ 77,149 $ 144,022
Federal statutory tax rate 21.00% 21.00% 21.00% 21.00%