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CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Common stock dividends declared and paid (in dollars per share) | $ 2.1000 | $ 2.0700 | $ 2.0300
Issuance of common stock - Director compensation (in shares) | 30,539 | 35,351 | 28,287
Issuance of common stock - Stock purchase plan (in shares) | 7,062 | 8,079 | 6,986
Issuance of common stock - ATM equity program (in shares) | 30,000 | 3,119,153 | 2,344,022
Issuance of common stock - Equity offering (in shares) |  |  | 7,000,000
Issuance of common stock - restricted shares, net (in shares) | 287,207 | 263,406 | 359,650
Series E Preferred Stock |  |  |
Preferred stock dividends declared and paid (in dollars per share) |  |  | $ 1.147917
Redemption of depositary shares (in shares) |  |  | 11,500,000
Series F Preferred Stock |  |  |
Preferred stock dividends declared and paid (in dollars per share) | $ 1.086944 | $ 1.3000 | $ 1.3000
Redemption of depositary shares (in shares) | 13,800,000 |  |

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