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Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash dividends declared per common share (in dollars per share) | $ 0.71 | $ 0.565 | $ 0.38
Series A Preferred Stock [Member] |  |  |
Cash dividends declared on Preferred Stock (in dollars per share) |  |  | 1.9375
Series C Preferred Stock [Member] |  |  |
Cash dividends declared on Preferred Stock (in dollars per share) |  |  | 0.539063
Series D Preferred Stock [Member] |  |  |
Cash dividends declared on Preferred Stock (in dollars per share) | 50.00 | 50.00 | 50.00
Series E Preferred Stock [Member] |  |  |
Cash dividends declared on Preferred Stock (in dollars per share) | 1.531252 | 1.531252 | $ 1.544012
Series F Preferred Stock [Member] |  |  |
Cash dividends declared on Preferred Stock (in dollars per share) | 1.4125 | $ 0.529688 |
Series G Preferred Stock [Member] |  |  |
Cash dividends declared on Preferred Stock (in dollars per share) | $ 0.882813 |  |

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