XML 20 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Discontinued Operations - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Discontinued Operations and Disposal Groups [Abstract]        
Income (loss) from discontinued operations $ (46) $ (47) $ (68) $ 286