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Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Exercise of Stock Options (shares)	500
Treasury Stock Purchases (shares)	127,058
Cash dividends on common stock (per share)	$ 0.14	$ 0.14
Series C Preferred Stock [Member]
Preferred stock, dividend rate	6.00%	6.00%	6.00%
Series D Preferred Stock [Member]
Preferred stock, dividend rate	4.50%	4.50%	4.50%
Series F Preferred Stock [Member]
Preferred stock, dividend rate	6.00%	6.00%	6.00%
Series G Preferred Stock [Member]
Preferred stock, dividend rate	6.00%	6.00%	6.00%

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Aggregate dividends paid during the period for each share of common stock outstanding.

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