XML 23 R47.htm IDEA: XBRL DOCUMENT

Earnings Per Share - Additional Information (Detail)	6 Months Ended
Earnings Per Share - Additional Information (Detail)	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Participating securities	465,737	489,381

This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method.

+ References+ Details