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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - shares | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Statement of Stockholders' Equity [Abstract] |  |
Common stock shares issued (in shares) | 2,911 | 4,729
Restricted stock grants, shares issued (in shares) |  |

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