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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Stockholders' Equity [Abstract]
Cash dividends (in dollars per share)	$ 0.57	$ 0.54	$ 1.71	$ 1.62
Net exercise of stock options (in shares)	257	3,276	887	11,386
Common stock repurchased and returned to unissued status (in shares)	18,182	170,775	197,979	272,310
Shares issued for dividend reinvestment plan (in shares)				32
Shares issued for employee stock ownership plan (in shares)			37,454
Directors deferred compensation plan (in shares)	2,914	1,977	1,235	2,025
Restricted stock activity (in shares)	2,922	3,179	17,606	8,392

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

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Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.

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Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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