Equity (Terms of Outstanding Preferred Stock) (Details)							12 Months Ended
	Aug. 19, 2022 shares	Apr. 26, 2022 shares	Sep. 13, 2021 shares	Nov. 01, 2016 shares	May 07, 2013 shares	Jul. 27, 2011 shares	Dec. 31, 2022 votingRightPerShare $ / shares
Series B Preferred Stock
Debt Instrument [Line Items]
Preferred stock, dividend rate (in dollars per share) | $ / shares							$ 1.80
Preferred stock, voting rights | votingRightPerShare							8
Series O Preferred Stock
Debt Instrument [Line Items]
Number of Depositary Shares Issued and Outstanding						1,000,000
Fractional Interest in a Share of Preferred Stock Represented by Each Depositary Share						1.00%
Preferred stock, dividend rate, percentage						6.75%
Series R Preferred Stock
Debt Instrument [Line Items]
Number of Depositary Shares Issued and Outstanding					500,000
Fractional Interest in a Share of Preferred Stock Represented by Each Depositary Share					1.00%
Preferred stock, dividend rate, percentage					4.85%
Series S Preferred Stock
Debt Instrument [Line Items]
Number of Depositary Shares Issued and Outstanding				525,000
Fractional Interest in a Share of Preferred Stock Represented by Each Depositary Share				1.00%
Preferred stock, dividend rate, percentage				5.00%
Series T Preferred Stock
Debt Instrument [Line Items]
Number of Depositary Shares Issued and Outstanding			1,500,000
Fractional Interest in a Share of Preferred Stock Represented by Each Depositary Share			1.00%
Preferred stock, dividend rate, percentage			3.40%
Series U Preferred Stock
Debt Instrument [Line Items]
Number of Depositary Shares Issued and Outstanding		1,000,000
Fractional Interest in a Share of Preferred Stock Represented by Each Depositary Share		1.00%
Preferred stock, dividend rate, percentage		6.00%
Series V Preferred Stock
Debt Instrument [Line Items]
Number of Depositary Shares Issued and Outstanding	1,250,000
Fractional Interest in a Share of Preferred Stock Represented by Each Depositary Share	1.00%
Preferred stock, dividend rate, percentage	6.20%
3-month LIBOR | Series O Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus						3.678%
3-month LIBOR | Series R Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus					3.04%
3-month LIBOR | Series S Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus				3.30%
3-month LIBOR | Series T Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus			2.595%
3-month LIBOR | Series U Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus		3.00%
3-month LIBOR | Series V Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus	3.238%