Earnings Per Share Earnings Per Share Calculations - Basic (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Basic earnings per share of common stock from continuing operations	$ 1.01	$ 0.63	$ 1.37	$ 0.37
Basic loss per share of common stock from discontinued operations	$ 0	$ (1.44)	$ 0	$ (0.96)
Basic earnings (loss) per share of common stock	$ 1.01	$ (0.81)	$ 1.37	$ (0.59)