Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Stockholders' Equity [Abstract]
Stock option exercises/stock unit conversions (38,452 shares QTD and 122,628 shares YTD in 2024 and 13,626 shares QTD and 64,013 shares YTD in 2023)	38,452	13,626	122,628	64,013
Purchase of treasury stock (301,094 shares QTD and 319,287 shares YTD in 2024 and 289,149 shares QTD and 298,332 shares YTD in 2023)	301,094	289,149	319,287	298,332
Cash dividends – preferred stock (approximately $11.13 per share and $22.25 per share YTD in both 2024 and 2023)	$ 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 both 2024 and 2023)	0.28	0.28	0.56	0.56
Cash dividends – common stock ($0.92 per share QTD and $1.84 per share YTD in 2024 and $0.87 per share QTD and $1.74 per share YTD in 2023)	$ 0.92	$ 0.87	$ 1.84	$ 1.74