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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Dividends declared and paid: |  |  |  |
Common stock dividends (in dollars per share) | $ 0.50 | $ 0.475 | $ 1.000 | $ 0.950
Issuance of common stock: |  |  |  |
Director compensation (in shares) | 6,962 | 13,036 | 14,969 | 22,633
Stock purchase plan (in shares) | 1,832 | 2,969 | 4,156 | 5,506
ATM equity program (in shares) | 1,495,548 | 3,037,464 | 1,495,548 | 3,037,464
Issuance of restricted common stock (in shares) |  |  | 259,650 | 222,684
Series E Preferred Stock |  |  |  |
Dividends declared and paid: |  |  |  |
Preferred stock dividends (in dollars per share) | $ 0.356250 | $ 0.356250 | $ 0.712500 | $ 0.712500
Series F Preferred Stock |  |  |  |
Dividends declared and paid: |  |  |  |
Preferred stock dividends (in dollars per share) | $ 0.32500 | $ 0.32500 | $ 0.650000 | $ 0.650000

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