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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - shares | 3 Months Ended
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Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |
Common stock shares issued (in shares) | 7,474 | 6,461 | 1,590,547 | 4,680 | 4,162 | 3,662
Restricted stock grants, shares issued (in shares) |  | 19,472 |  |  | 16,015 |

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