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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Stockholders' Equity [Abstract]
Stock option exercises/stock unit conversions (103,936 shares YTD in 2025 and 84,176 shares YTD in 2024)	103,936	84,176
Purchase of treasury stock (18,427 shares YTD in 2025 and 18,193 shares YTD in 2024)	18,427	18,193
Cash dividends – preferred stock (approximately $11.13 per share YTD in both 2025 and 2024)	$ 11.13	$ 11.13
Cash dividend - Preferred Stock Dividends equivalent Per depositary Share Declared ($0.28 YTD during both 2025 and 2024)	0.28	0.28
Cash dividends – common stock ($0.95 per share YTD in 2025 and $0.92 per share YTD in 2024)	$ 0.95	$ 0.92

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Number of share options (or share units) exercised during the current period.

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