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EQUITY - Equity Issuances (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
ATM Program | Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number Of Shares Sold (in shares) | 1,565,925 | 526,016 | 5,824,970 | 979,945
Weighted-average Offering Price Per Share (in dollars per share) | $ 23.66 | $ 16.13 | $ 21.19 | $ 14.94
Gross proceeds | $ 37,053 | $ 8,483 | $ 123,458 | $ 14,638
Net Proceeds | $ 36,682 | $ 8,398 | $ 122,223 | $ 14,491
Preferred Stock | Series C Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number Of Shares Sold (in shares) | 578,426 | 289,494 | 1,517,446 | 420,196
Weighted-average Offering Price Per Share (in dollars per share) | $ 24.85 | $ 24.82 | $ 24.84 | $ 24.86
Gross proceeds | $ 14,372 | $ 7,184 | $ 37,687 | $ 10,444
Net Proceeds | $ 13,159 | $ 6,586 | $ 34,522 | $ 9,559
Preferred stock, shares issued, pursuant to DRIP (in shares) | 2,642 |  | 4,643 |

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