CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Cash dividends per share common stock (in dollars per share)	$ 0.18	$ 0.14	$ 0.50	$ 0.40
Shares of common stock purchased (in shares)				1,761
Shares of common stock issued (in shares)	6,129	34,584	2,218,691	4,521,434
Series D Preferred Stock
Cash dividends per share preferred stock (in dollars per share)		$ 17.50		$ 52.50