Stock-Based Compensation and Employee Benefit Plans - Stock Options (Details 3) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands |
9 Months Ended |
|
Sep. 30, 2016 |
Dec. 31, 2015 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term |
1 year 2 months 7 days
|
|
| Employee Stock Option [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |
3,087
|
3,572
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |
0
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |
430
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares |
55
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable [Table Text Block] |
3078
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options |
2,799
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price |
$ 6.73
|
$ 6.83
|
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |
0.00
|
|
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price |
5.31
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price |
24.16
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price |
6.73
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price |
$ 6.58
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term |
2 years 11 months 15 days
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |
$ 42,123
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term |
2 years 11 months 15 days
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value |
$ 42,018
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term |
2 years 10 months
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value |
$ 38,660
|
|