Consolidated Statement of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Common stock dividends, share	$ 0.48	$ 0.48	$ 1.44	$ 1.4
Series A [Member]
Preferred stock dividends declared per share	1,684	902.622	4,733.948	2,662.344
Series B [Member]
Preferred stock dividends declared per share	394.167	223.611	1,103.862	663.542
Series J [Member]
Preferred stock dividends declared per share	662.5	662.5	1,325	1,325
Series K [Member]
Preferred stock dividends declared per share	343.75	343.75	1,031.25	1,031.25
Series L [Member]
Preferred stock dividends declared per share	234.375	234.375	703.125	703.125
Series M [Member]
Preferred stock dividends declared per share	250	250	750	750
Series N [Member]
Preferred stock dividends declared per share	231.25	231.25	693.75	693.75
Series O [Member]
Preferred stock dividends declared per share	$ 281.25	$ 281.25	$ 843.75	$ 768.75