Capital Markets (Details) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020
Class of Stock [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.75
Series C Preferred Shares [Member]
Class of Stock [Line Items]
Preferred Stock, Dividends Per Share, Declared	0.359375	$ 1.078125
Preferred Stock, Dividend Rate, Percentage		5.75%	5.75%
Series E Preferred Shares [Member]
Class of Stock [Line Items]
Preferred Stock, Dividends Per Share, Declared	$ 0.5625	$ 1.6875
Preferred Stock, Dividend Rate, Percentage		9.00%	9.00%
Series G Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Dividend Rate, Percentage		5.75%