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Condensed Consolidated Statements of Equity/Capital (Parenthetical) - shares | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Statement of Stockholders' Equity [Abstract] |  |
Issuances of common and restricted stock, shares | 330,938 | 323,353
Cancellation of restricted common stock/units, shares | 29,683 | 23,066

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