Equity (Schedule of Dividends Declared) (Details) - $ / shares	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Declared November 7, 2019
Common Stock Dividends, Per Share, Declared, Regular	$ 1.05
Declared February 19, 2020
Common Stock Dividends, Per Share, Declared, Regular	1.1025
Declared June 15, 2020
Common Stock Dividends, Per Share, Declared, Regular	$ 1.1025
Declared December 17, 2018
Common Stock Dividends, Per Share, Declared, Regular		$ 1.00
Declared February 19, 2019
Common Stock Dividends, Per Share, Declared, Regular		1.05
Declared May 7, 2019
Common Stock Dividends, Per Share, Declared, Regular		$ 1.05