Equity and Dividends (Schedule of Dividends Declared) (Details) - $ / shares	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Dividends Payable [Line Items]
Dividends to common stockholders (in dollars per share)	$ 0.90	$ 0.90	$ 0.90	$ 1.025	$ 1.80	$ 2.0025
Declared November 5, 2021
Dividends Payable [Line Items]
Dividends to common stockholders (in dollars per share)					0.90
Declared February 16, 2022
Dividends Payable [Line Items]
Dividends to common stockholders (in dollars per share)					0.90
Declared May 6, 2022
Dividends Payable [Line Items]
Dividends to common stockholders (in dollars per share)					$ 0.90
Declared December 15, 2020
Dividends Payable [Line Items]
Dividends to common stockholders (in dollars per share)						1.1025
Declared March 12, 2021
Dividends Payable [Line Items]
Dividends to common stockholders (in dollars per share)						1.1025
Declared June 3, 2021
Dividends Payable [Line Items]
Dividends to common stockholders (in dollars per share)						$ 0.90