Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Common stock dividends/equivalents (in dollars per share)	$ 0.40	$ 0.40	$ 1.20	$ 1.20
Series F Preferred Stock
Preferred stock dividends (in dollars per share)	328.125	$ 328.125	984.38	$ 984.38
Series G Preferred Stock
Preferred stock dividends (in dollars per share)	$ 16.25		$ 48.75