Consolidated Statements Of Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Consolidated Statement Of Equity (Parenthetical) [Abstract]
Dividend declared per common share	$ 0.2343	$ 0.2190
Issuance of common stock from private placement, shares	21,661,095
Issuance of common stock from stock purchase contracts , shares	2,335,654
Issuance of common stock under dividend reinvestment plan, shares	86,969	117,845
Repurchase of stock, shares	81,722	52,124
Equity compensation plan, shares	223,495	134,257
Exercise of stock options, shares	56,106	77,479