Equity (Terms of Outstanding Preferred Stock) (Details)							12 Months Ended
	Feb. 07, 2023 shares	Aug. 19, 2022 shares	Apr. 26, 2022 shares	Sep. 13, 2021 shares	Nov. 01, 2016 shares	May 07, 2013 shares	Dec. 31, 2023 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 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%
Series W 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	6.25%
3-month LIBOR | Series R Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus						3.04%
Secured Overnight Financing Rate (SOFR) | Series R Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus						0.26161%
Secured Overnight Financing Rate (SOFR) | Series S Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus					0.26161%
Secured Overnight Financing Rate (SOFR) | Series T Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus				2.595%
Secured Overnight Financing Rate (SOFR) | Series U Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus			3.00%
Secured Overnight Financing Rate (SOFR) | Series V Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus		3.238%
Secured Overnight Financing Rate (SOFR) | Series W Preferred Stock
Debt Instrument [Line Items]
Basis spread on variable rate - LIBOR Plus	2.808%