Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans - Stock Options Activity under Share-Based Payment Plans (Details)

v3.4.0.3
Benefit Plans - Stock Options Activity under Share-Based Payment Plans (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Options    
Granted (in shares)   0
Employees And Non Employee Stock Option    
Options    
Outstanding, as of beginning of period (in shares) 338,481,000  
Granted (in shares) 4,327,000  
Exercised (in shares) (2,230,000)  
Forfeited, cancelled or expired (in shares) (6,295,000)  
Outstanding as of end of period (in shares) 334,283,000  
Exercisable (in shares) 116,131,000  
Weighted- Average Exercise Price Per Share    
Outstanding as of beginning of period (in dollars per share) $ 3.29  
Granted (in dollars per share) 3.62  
Exercised (in dollars per share) 1.80  
Forfeited (in dollars per share) 4.72  
Outstanding as of end of period (in dollars per share) 3.28  
Exercisable (in dollars per share) $ 2.43  
Weighted- Average Remaining Contractual Term (Years)    
Outstanding 7 years 4 months 21 days  
Exercisable 5 years 6 months 7 days  
Aggregate Intrinsic Value    
Outstanding $ 226,265  
Exercisable $ 176,113