Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Common stock dividends/equivalents (in dollars per share)	$ 0.40	$ 0.40	$ 0.80	$ 0.80
Series F Preferred Stock
Preferred stock dividends (in dollars per share)	328.125	328.125	656.25	656.25
Series G Preferred Stock
Preferred stock dividends (in dollars per share)	$ 16.25	$ 16.25	$ 32.50	$ 32.50