Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Statement of Stockholders' Equity [Abstract]
Stock option exercise/stock unit conversions (84,176 shares YTD in 2024 and 50,387 shares YTD during 2023)	84,176	50,387
Purchase of treasury stock (18,193 shares YTD in 2024 and 9,183 shares YTD in 2023)	18,193	9,183
Cash dividend - preferred stock (Approximately $11.13 per share YTD in 2024 and 2023, respectively)	$ 11.13	$ 11.13
Cash dividend - Preferred Stock Dividends equivalent Per depositary Share Declared ($0.28 YTD during 2024 and 2023)	0.28	0.28
Cash dividends - common stock ($0.92 per share YTD in 2024 and $0.87 per share YTD in 2023)	$ 0.92	$ 0.87

Preferred Stock Dividends equivalent Per depositary Share Declared

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- Definition

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

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-Topic 505
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-Section S99
-Paragraph 1
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-Publisher FASB
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Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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