Stock-based Compensation (Details 5) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Weighted average fair value at grant date (in usd per share) | $ 6.38 | ||
| Employee Stock Option [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Risk free interest rate | 1.60% | 0.00% | 0.00% |
| Expected term (in years) | 5 years | 0 years | 0 years |
| Expected volatility | 45.00% | 0.00% | 0.00% |
| Dividend yield | 0.00% | 0.00% | 0.00% |
| Weighted average fair value at grant date (in usd per share) | $ 6.38 | $ 0.00 | $ 0.00 |
| Employee Stock [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Risk free interest rate | 0.10% | 0.00% | 0.10% |
| Expected term (in years) | 6 months | 0 years | 0 years |
| Expected volatility | 47.00% | 0.00% | 0.00% |
| Dividend yield | 0.00% | 0.00% | 0.00% |
| Weighted average fair value at grant date (in usd per share) | $ 4.65 | $ 0.00 | $ 0.00 |