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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Series D Preferred Stock |  |
Dividends declared per preferred share (in dollars per share) | $ 0.52 | $ 0.52
Preferred stock dividend rate | 8.25% | 8.25%
Series B Preferred Stock |  |
Dividends declared per preferred share (in dollars per share) | $ 0.34 | $ 0.34
Preferred stock dividend rate | 5.50% | 5.50%

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