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Consolidated Statement of Changes in Stockholders' Equity (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Dividends on common share (in dollars per share)	$ 0.22	$ 0.21
Common Stock [Member]
Common shares released from Employee Benefit Trust, shares (in shares)	17,964	5,682
Restricted stock unit awards vested, shares (in shares)	297,626	248,896
Treasury Stock [Member]
Purchase of treasury shares (in shares)	360,000
Repurchase of shares to satisfy tax obligation, shares (in shares)	97,435	70,292

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

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