XML 68 R41.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation - Unrecognized Compensation Costs Related to Non-Vested Stock-Based Awards Granted (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Total unrecognized compensation costs $ 11,007 $ 9,711