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Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Common stock dividends per share, declared	$ 0.29	$ 0.27
Series A 3% Preferred Stock [Member]
Preferred stock, dividend percentage	3.00%	3.00%	3.00%
Preferred stock dividends per share, declared	$ 0.75	$ 0.75
Series B-1 8.48% Preferred Stock [Member]
Preferred stock, dividend percentage	8.48%	8.48%	8.48%
Preferred stock dividends per share, declared	$ 2.12	$ 2.12

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
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+ References

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