Earnings Per Share - Additional Information (Detail)	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Anti-dilutive stock options	834	516,957

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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