CONSOLDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Common stock, dividends (in dollars per share)	$ 0.53	$ 0.53	$ 0.93	$ 1.06
Series A Preferred Stock
Preferred stock, dividends (in dollars per share)	0.45		0.45	$ 0.90
Series B Preferred Stock
Preferred stock, dividends (in dollars per share)	$ 0.43		$ 0.43
Preferred Stock
Preferred stock, dividends (in dollars per share)		$ 0.45