Stockholders Equity (Deficit) and Noncontrolling Interest - Changes in the Shares of Common Stock Outstanding (Detail)	9 Months Ended
Sep. 30, 2017 shares
Stockholders Equity (Deficit) and Noncontrolling Interest
Beginning balance	29,386,882
Restricted common stock awards granted, net of forfeitures	391,668
Restricted stock units converted to common stock, net of reissued treasury shares	21,550
Common stock options exercised	750
Ending balance	29,800,850

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

+ References

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Number of share options (or share units) exercised during the current period.

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