XML 34 R36.htm IDEA: XBRL DOCUMENT v3.3.0.814
Equity Award Plans - Information About Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Total fair value of options granted $ 869 $ 7,536
Weighted average fair value of options granted (in dollars per share) $ 2.13 $ 5.96
Intrinsic value of options exercised $ 1,535 $ 13,900