XML 82 R64.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Restricted Stock Unit Activity (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Number of shares  
Outstanding at January 1, 2013 3,761,031
Granted 8,481,459
Vested (2,861,059)
Forfeited (265,610)
Outstanding at December 31, 2013 9,115,821
Weighted average grant date fair value Per share  
Outstanding at January 1, 2013 $ 3.73
Granted $ 3.93
Vested $ 3.82
Forfeited $ 3.36
Outstanding at December 31, 2013 $ 3.90