Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Summary of Restricted Stock Unit and Stock Award Activity (Details)

v3.3.1.900
Benefit Plans - Summary of Restricted Stock Unit and Stock Award Activity (Details) - Restricted Stock Units RSU and Stock Awards [Member] - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Nonvested restricted stock unit activity, shares      
Nonvested, shares, beginning balance 11,575 6,984 429
Granted, shares 8,961 6,108 6,873
Vested, shares (3,464) (1,138) (192)
Forfeited, shares (984) (379) (126)
Nonvested, shares, ending balance 16,088 11,575 6,984
Nonvested restricted stock unit activity, grant date fair value      
Nonvested, grant date fair value, beginning $ 3.47 $ 3.58 $ 3.25
Granted, grant date fair value 3.92 3.38 3.59
Vested, grant date fair value 3.44 3.62 3.27
Forfeited, grant date fair value 3.52 3.52 3.61
Nonvested, grant date fair value, ending $ 3.73 $ 3.47 $ 3.58