Annual report pursuant to Section 13 and 15(d)

Stock Options, Common Stock and Warrants - Stock Options by Exercise Price (Details)

v3.3.1.900
Stock Options, Common Stock and Warrants - Stock Options by Exercise Price (Details)
shares in Thousands
 12 Months Ended
Dec. 31, 2015
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 5,625
Weighted Average Remaining Contractual Term 3 years 2 months 5 days
Weighted Average Exercise Price (in dollars per share) $ 11.20
Number Exercisable (in shares) | shares 2,555
Weighted Average Exercise Price (in dollars per share) $ 10.67
$13.15 - $16.70  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 855
Weighted Average Remaining Contractual Term 4 years 11 days
Weighted Average Exercise Price (in dollars per share) $ 13.68
Number Exercisable (in shares) | shares 298
Weighted Average Exercise Price (in dollars per share) $ 13.86
Exercise Price Range, Minimum (in dollars per share) 13.15
Exercise Price Range, Maximum (in dollars per share) $ 16.70
$11.44 - $13.14  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 1,148
Weighted Average Remaining Contractual Term 4 years 14 days
Weighted Average Exercise Price (in dollars per share) $ 12.72
Number Exercisable (in shares) | shares 149
Weighted Average Exercise Price (in dollars per share) $ 12.81
Exercise Price Range, Minimum (in dollars per share) 11.44
Exercise Price Range, Maximum (in dollars per share) $ 13.14
$10.57 - $11.43  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 1,151
Weighted Average Remaining Contractual Term 3 years 5 months 8 days
Weighted Average Exercise Price (in dollars per share) $ 10.73
Number Exercisable (in shares) | shares 441
Weighted Average Exercise Price (in dollars per share) $ 10.71
Exercise Price Range, Minimum (in dollars per share) 10.57
Exercise Price Range, Maximum (in dollars per share) $ 11.43
$9.88 - $10.56  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 1,424
Weighted Average Remaining Contractual Term 2 years 4 months 6 days
Weighted Average Exercise Price (in dollars per share) $ 10.00
Number Exercisable (in shares) | shares 1,064
Weighted Average Exercise Price (in dollars per share) $ 10.00
Exercise Price Range, Minimum (in dollars per share) 9.88
Exercise Price Range, Maximum (in dollars per share) $ 10.56
$8.88 - $9.87  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 1,047
Weighted Average Remaining Contractual Term 2 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share) $ 9.68
Number Exercisable (in shares) | shares 603
Weighted Average Exercise Price (in dollars per share) $ 9.71
Exercise Price Range, Minimum (in dollars per share) 8.88
Exercise Price Range, Maximum (in dollars per share) $ 9.87