XML 67 R60.htm IDEA: XBRL DOCUMENT

Net Income Per Share - Additional Information (Detail)	12 Months Ended
Net Income Per Share - Additional Information (Detail)	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Outstanding potential common shares excluded from computation of net income per share	126,000	1,000

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.

+ References+ Details