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Earnings Per Share Earnings Per Share Calculations - Basic (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Earnings Per Share [Abstract]        
Basic earnings (loss) per share of common stock from continuing operations $ 1.37 $ 1.01 $ 2.19 $ 1.37
Basic earnings (loss) per share of common stock from discontinued operations $ (0.06) $ 0 $ (0.07) $ 0
Basic earnings (loss) per share of common stock $ 1.31 $ 1.01 $ 2.12 $ 1.37