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Subsequent Events - Equity Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 2 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 19, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Subsequent Event [Line Items] |  |  |
Net Proceeds |  | $ 118,357 | $ 74,417
Redemptions of Series B Preferred Stock |  | $ 340 |
Series B Preferred Stock | Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Number of Shares Sold | 911,383 |  |
Weighted Average Offering Price Per Share | $ 24.53 |  |
Gross Proceeds | $ 22,353 |  |
Net Proceeds | $ 20,506 |  |
Common Stock | Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Number of Shares Sold | 409,800 |  |
Weighted Average Offering Price Per Share | $ 13.28 |  |
Gross Proceeds | $ 5,441 |  |
Net Proceeds | $ 5,386 |  |
Preferred Stock | Series B Preferred Stock |  |  |
Subsequent Event [Line Items] |  |  |
Redemption price (in dollars per share) |  | $ 23.30 |
Redemptions of Series B Preferred Stock |  | $ 340 |
Preferred Stock | Series B Preferred Stock | Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Common stock, issued (in shares) | 5,753 |  |
Redemption price (in dollars per share) | $ 24.41 |  |
Redemptions of Series B Preferred Stock | $ 140 |  |

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