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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Phantom and restricted stock issuances (in shares) | 136,498 | 117,895 | 393,818
Stock options exercised (in shares) | 0 | 4,337 | 0
Common stock issued upon exchange of convertible securities (in shares) |  |  | 3,664,729
Common Stock, Dividends, Per Share, Cash Paid | $ 0.24 | $ 0.24 | $ 0

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