Equity Compensation - Assumptions (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2014 | |
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |
| Expected dividend yield | 0.30% |
| Expected stock price volatility | 36.80% |
| Risk free interest rate | 1.76% |
| Expected life in years | 6 years 1 month 6 days |
| Forfeiture percentage | 13.00% |