Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Stockholders' Equity [Abstract]
Stock option exercise/stock unit conversions (8,483 shares QTD and 72,496 shares YTD in 2023 and 88,350 shares QTD and 232,612 shares YTD during 2022)	8,483	88,350	72,496	232,612
Purchase of treasury stock (111,956 shares QTD and 410,288 shares YTD in 2023 and 7,459 shares YTD in 2022)	111,956		410,288	7,459
Cash dividend - preferred stock (Approximately $11.13 per share QTD and $33.38 per share YTD in 2023 and 2022, respectively)	$ 11.13	$ 11.13	$ 33.38	$ 33.38
Cash dividend - Preferred Stock Dividends equivalent Per depositary Share Declared ($0.28 QTD and $0.83 YTD during 2023 and 2022)	0.28	0.28	0.83	0.83
Cash dividends - common stock ($0.92 per share QTD and $2.66 per share YTD in 2023 and $0.87 per share QTD and $2.37 per share YTD in 2022)	$ 0.92	$ 0.87	$ 2.66	$ 2.37