Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash dividends declared on Common Shares (in usd per share)	$ 0.195	$ 0.185
Series D Preferred Stock
Cash dividends declared on Preferred Stock (in usd per share)	12.50	12.50
Series E Preferred Stock
Cash dividends declared on Preferred Stock (in usd per share)	0.382813	0.382813
Series F Preferred Stock
Cash dividends declared on Preferred Stock (in usd per share)	0.353125	0.353125
Series G Preferred Stock
Cash dividends declared on Preferred Stock (in usd per share)	$ 0.351563	$ 0.351563