Consolidated Statements Of Changes In Stockholders’ Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Consolidated Statements Of Changes In Stockholders’ Equity [Abstract]
Cash dividends per common share	$ 0.58	$ 0.52
Reissued restricted shares	310	500
Issued restricted shares, net of forfeitures	5,930	4,934
Issued shares in stock option exercises	7,279	2,514