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v3.20.4

SUBSEQUENT EVENTS (Details) - $ / shares |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 09, 2021 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Feb. 11, 2021
Subsequent Event [Line Items] |  |  |  |  |  |
Dividends declared, per common share (in usd per share) |  | $ 0.13 | $ 0.24 | $ 0.31 | $ 0.52 |
Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Dividends declared, per common share (in usd per share) | $ 0.06 |  |  |  |  |
Subsequent Event | Series D Preferred Stock |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Stock redemption price (usd per share) |  |  |  |  |  | $ 1,000
Subsequent Event | Series D Depository shares |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Stock redemption price (usd per share) |  |  |  |  |  | $ 25

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