Consolidated Statements Of Changes In Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per common share (usd per share)	$ 0.28	$ 0.25	$ 0.56	$ 0.50
Dividends on preferred stock (usd per share)	$ 0.41	$ 0.41	$ 0.82	$ 0.82