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Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Exercise of stock options (shares)		51,372	72,846
Treasury stock purchases (shares)		266,753	198,976
Cash dividends on common stock (per share)	$ 0.64	$ 0.64	$ 0.64
Series D Preferred Stock [Member]
Preferred stock, dividend rate			4.50%
Series G Preferred Stock [Member]
Preferred stock, dividend rate			6.00%
Series H Preferred Stock [Member]
Preferred stock, dividend rate	3.00%	3.50%	3.50%
Series I Preferred Stock [Member]
Preferred stock, dividend rate	8.00%	3.00%	3.00%
Series J Preferred Stock [Member]
Preferred stock, dividend rate	8.00%	8.00%

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Stock Issued During Period, Shares, Stock Option Exercised, Excluding Cashless Exercises

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