CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends on common stock (in dollars per share)	$ 0.33	$ 0.30	$ 0.99	$ 0.90
Preferred Stock | Series D Preferred Stock
Cash dividends on preferred stock (in dollars per share)	0.39	0.39	1.17	1.17
Preferred Stock | Series E Preferred Stock
Cash dividends on preferred stock (in dollars per share)	$ 0.37	$ 0.37	$ 1.11	$ 0.37