Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Benefit Plans - Summary of Restricted Stock Unit and Stock Award Activity (Details) - Restricted Stock Units (RSUs) and Performance Shares
shares in Thousands
9 Months Ended
Sep. 30, 2017
$ / shares
shares
Shares  
Nonvested as of beginning of period (in shares) | shares 29,893
Granted (in shares) | shares 11,618
Vested (in shares) | shares (8,561)
Forfeited (in shares) | shares (984)
Nonvested as of end of period (in shares) | shares 31,966
Grant Date Fair Value Per Share  
Nonvested as of beginning of period (in dollars per share) | $ / shares $ 4.03
Granted (in dollars per share) | $ / shares 5.38
Vested (in dollars per share) | $ / shares 3.91
Forfeited (in dollars per share) | $ / shares 4.23
Nonvested as of end of period (in dollars per share) | $ / shares $ 4.55