Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Stockholders' Equity [Abstract]
Stock option exercise/stock unit conversions (13,626 shares QTD and 64,013 shares YTD in 2023 and 28,832 shares QTD and 144,262 shares YTD during 2022)	13,626	28,832	64,013	144,262
Purchase of treasury stock (289,149 shares QTD and 298,332 shares YTD in 2023 and 7,459 shares YTD in 2022)	289,149		298,332	7,459
Cash dividend - preferred stock (Approximately $11.13 per share QTD and $22.25 per share YTD in 2023 and 2022, respectively)	$ 11.13	$ 11.13	$ 22.25	$ 22.25
Cash dividend - Preferred Stock Dividends equivalent Per depositary Share Declared ($0.28 QTD and $0.56 YTD during 2023 and 2022)	0.28	0.28	0.56	0.56
Cash dividends - common stock ($0.87 per share QTD and $1.74 per share YTD in 2023 and $0.75 per share QTD and $1.50 per share YTD in 2022)	$ 0.87	$ 0.75	$ 1.74	$ 1.50