Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Preferred Series E [Member]
Preferred stock per share dividend amount	$ 16.125	$ 16.125	$ 48.375	$ 48.375
Preferred Series F [Member]
Preferred stock per share dividend amount	128.125	128.125	384.375	384.375
Preferred Series G [Member]
Preferred stock per share dividend amount	125.00	125.00	375.00	375.00
Preferred Series I [Member]
Preferred stock per share dividend amount	87.50		269.31
Preferred Series H [Member]
Preferred stock per share dividend amount	0.3516		0.7031
Retained Earnings [Member]
Common stock per share dividend amount	$ 1.20	$ 1.10	$ 3.60	$ 3.30