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Consolidated Statement of Equity (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Class A Common Shares/units |  |  |  |
Offering costs | $ 200 | $ 600 | $ 0 | $ 0
Common Stock |  |  |  |
Dividends declared on common shares (in dollars per unit) |  | $ 0.20 | $ 0.20 | $ 0.20
Common Stock | Class A Common Shares/units |  |  |  |
Offering costs |  | $ 600 |  |
Preferred shares |  |  |  |
Offering costs |  |  |  | $ 4,022

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