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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% |  |  |  |  |  |

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