Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Stockholders' Equity [Abstract]
Stock option exercise/stock unit conversions (28,832 shares QTD and 144,262 shares YTD in 2022 and 114,252 shares QTD and 628,076 shares YTD during 2021)	28,832	114,252	144,262	628,076
Purchase of treasury stock (7,459 shares YTD in 2022 and 11,625 shares YTD in 2021)			7,459	11,625
Treasury stock issued to the 401(k) stock purchase plan (18,555 shares YTD in 2021 )				18,555
Cash dividend - preferred stock (Approximately $11.13 and $22.25 per share QTD and YTD in 2022, respectively and $11.13 and $25.46 per share QTD and YTD during 2021, respectively)	$ 11.13	$ 11.13	$ 22.25	$ 25.46
Cash dividend - Preferred Stock Dividends equivalent Per depositary Share Declared ($0.28 and $0.56 QTD and YTD respectively, during 2022 and $0.28 and 0.64 QTD and YTD, respectively during 2021)	0.28	0.28	0.56	0.64
Cash dividends - common stock ($0.75 per share QTD and $1.50 per share YTD in 2022 and $0.72 per share QTD and $1.44 per share YTD in 2021)	$ 0.75	$ 0.72	$ 1.50	$ 1.44