Consolidated Statements Of Equity (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019
Consolidated Statement Of Equity (Parenthetical) [Abstract]
Dividend declared per common share	$ 0.2343	$ 0.2343	$ 0.2190	$ 0.2190
Stock issued for acquisition, shares			37,370,017
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	100,148	86,969	10,162	117,845
Repurchase of stock, shares	100	81,722	46	52,124
Equity compensation plan, shares	4,594	223,495	5,099	134,257
Exercise of stock options, shares	3,411	56,106	21,148	77,479