|
Employee Benefit Plan (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Employee Benefit Plan [Abstract] | |||
| Matching contribution on employee contributions, Percent | 50.00% | ||
| Maximum contibution percentage of each employee's eligible earnings, Percent | 4.00% | ||
| Matching contributions to the RRSP and 401(k) Plans | $ 2.1 | $ 1.8 | $ 1.5 |