Consolidated Statements Of Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Consolidated Statements Of Equity (Parenthetical) [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.2682	$ 0.2507
Dividend declared per common share	$ 0.2682
Issuance of common stock under dividend reinvestment plan, shares	93,833	98,904
Repurchase of stock, shares	21,290	76,105
Equity compensation plan, shares	57,052	192,407
Exercise of stock options, shares	28,516	20,201